Hey The Scanner Darkly,
The following are the first 50 errors from your project, it basically boils down to your file names being way too long for the editor:
[2015.07.08-12.19.55:934][ 0]LogInit:Display: Warning/Error Summary
[2015.07.08-12.19.55:935][ 0]LogInit:Display: ---------------------
[2015.07.08-12.19.55:953][ 0]LogInit:Display: CookResults:Error: Error Couldn't save package, filename is too long: F:/Documents/Unreal Projects/BLISTER/BLISTER/Content/UniversalSoundFX/Sound_Effects/WEAPONS/Firearms/Handling/HANDLING_B_FS92_9mm_Cocking_Motion_Re_Chamber_New_Round_Safety_On_Loaded_Magazine_mono.uasset
[2015.07.08-12.19.55:954][ 0]LogInit:Display: LogCook:Error: Couldn't save package, filename is too long :F:/Documents/Unreal Projects/BLISTER/BLISTER/Content/UniversalSoundFX/Sound_Effects/WEAPONS/Firearms/Handling/HANDLING_B_FS92_9mm_Cocking_Motion_Re_Chamber_New_Round_Safety_On_Loaded_Magazine_mono.uasset
[2015.07.08-12.19.55:954][ 0]LogInit:Display: CookResults:Error: Error Couldn't save package, filename is too long: F:/Documents/Unreal Projects/BLISTER/BLISTER/Content/UniversalSoundFX/Sound_Effects/WEAPONS/Firearms/Fire_Real_Time_Strategy_RTS/FIREARM_RTS_Machine_Gun_Model_07_Fire_Single_RR3_mono_96k_24bit.uasset
[2015.07.08-12.19.55:954][ 0]LogInit:Display: LogCook:Error: Couldn't save package, filename is too long :F:/Documents/Unreal Projects/BLISTER/BLISTER/Content/UniversalSoundFX/Sound_Effects/WEAPONS/Firearms/Fire_Real_Time_Strategy_RTS/FIREARM_RTS_Machine_Gun_Model_07_Fire_Single_RR3_mono_96k_24bit.uasset
[2015.07.08-12.19.55:955][ 0]LogInit:Display: CookResults:Error: Error Couldn't save package, filename is too long: F:/Documents/Unreal Projects/BLISTER/BLISTER/Content/UniversalSoundFX/Sound_Effects/WEAPONS/Firearms/Fire_Real_Time_Strategy_RTS/FIREARM_RTS_Machine_Gun_Model_07_Fire_Single_RR2_mono_96k_24bit.uasset
[2015.07.08-12.19.55:955][ 0]LogInit:Display: LogCook:Error: Couldn't save package, filename is too long :F:/Documents/Unreal Projects/BLISTER/BLISTER/Content/UniversalSoundFX/Sound_Effects/WEAPONS/Firearms/Fire_Real_Time_Strategy_RTS/FIREARM_RTS_Machine_Gun_Model_07_Fire_Single_RR2_mono_96k_24bit.uasset
[2015.07.08-12.19.55:956][ 0]LogInit:Display: CookResults:Error: Error Couldn't save package, filename is too long: F:/Documents/Unreal Projects/BLISTER/BLISTER/Content/UniversalSoundFX/Sound_Effects/WEAPONS/Firearms/Fire_Real_Time_Strategy_RTS/FIREARM_RTS_Machine_Gun_Model_07_Fire_Single_RR1_mono_96k_24bit.uasset
[2015.07.08-12.19.55:956][ 0]LogInit:Display: LogCook:Error: Couldn't save package, filename is too long :F:/Documents/Unreal Projects/BLISTER/BLISTER/Content/UniversalSoundFX/Sound_Effects/WEAPONS/Firearms/Fire_Real_Time_Strategy_RTS/FIREARM_RTS_Machine_Gun_Model_07_Fire_Single_RR1_mono_96k_24bit.uasset
[2015.07.08-12.19.55:957][ 0]LogInit:Display: CookResults:Error: Error Couldn't save package, filename is too long: F:/Documents/Unreal Projects/BLISTER/BLISTER/Content/UniversalSoundFX/Sound_Effects/WEAPONS/Firearms/Fire_Real_Time_Strategy_RTS/FIREARM_RTS_Machine_Gun_Model_07_Fire_Burst_800RPM_9x_mono_96k_24bit.uasset
[2015.07.08-12.19.55:958][ 0]LogInit:Display: LogCook:Error: Couldn't save package, filename is too long :F:/Documents/Unreal Projects/BLISTER/BLISTER/Content/UniversalSoundFX/Sound_Effects/WEAPONS/Firearms/Fire_Real_Time_Strategy_RTS/FIREARM_RTS_Machine_Gun_Model_07_Fire_Burst_800RPM_9x_mono_96k_24bit.uasset
[2015.07.08-12.19.55:959][ 0]LogInit:Display: CookResults:Error: Error Couldn't save package, filename is too long: F:/Documents/Unreal Projects/BLISTER/BLISTER/Content/UniversalSoundFX/Sound_Effects/WEAPONS/Firearms/Fire_Real_Time_Strategy_RTS/FIREARM_RTS_Machine_Gun_Model_07_Fire_Burst_800RPM_6x_mono_96k_24bit.uasset
[2015.07.08-12.19.55:959][ 0]LogInit:Display: LogCook:Error: Couldn't save package, filename is too long :F:/Documents/Unreal Projects/BLISTER/BLISTER/Content/UniversalSoundFX/Sound_Effects/WEAPONS/Firearms/Fire_Real_Time_Strategy_RTS/FIREARM_RTS_Machine_Gun_Model_07_Fire_Burst_800RPM_6x_mono_96k_24bit.uasset
[2015.07.08-12.19.55:960][ 0]LogInit:Display: CookResults:Error: Error Couldn't save package, filename is too long: F:/Documents/Unreal Projects/BLISTER/BLISTER/Content/UniversalSoundFX/Sound_Effects/WEAPONS/Firearms/Fire_Real_Time_Strategy_RTS/FIREARM_RTS_Machine_Gun_Model_07_Fire_Burst_800RPM_3x_mono_96k_24bit.uasset
[2015.07.08-12.19.55:960][ 0]LogInit:Display: LogCook:Error: Couldn't save package, filename is too long :F:/Documents/Unreal Projects/BLISTER/BLISTER/Content/UniversalSoundFX/Sound_Effects/WEAPONS/Firearms/Fire_Real_Time_Strategy_RTS/FIREARM_RTS_Machine_Gun_Model_07_Fire_Burst_800RPM_3x_mono_96k_24bit.uasset
[2015.07.08-12.19.55:961][ 0]LogInit:Display: CookResults:Error: Error Couldn't save package, filename is too long: F:/Documents/Unreal Projects/BLISTER/BLISTER/Content/UniversalSoundFX/Sound_Effects/WEAPONS/Firearms/Fire_Real_Time_Strategy_RTS/FIREARM_RTS_Machine_Gun_Model_07_Fire_Burst_800RPM_2x_mono_96k_24bit.uasset
[2015.07.08-12.19.55:961][ 0]LogInit:Display: LogCook:Error: Couldn't save package, filename is too long :F:/Documents/Unreal Projects/BLISTER/BLISTER/Content/UniversalSoundFX/Sound_Effects/WEAPONS/Firearms/Fire_Real_Time_Strategy_RTS/FIREARM_RTS_Machine_Gun_Model_07_Fire_Burst_800RPM_2x_mono_96k_24bit.uasset
[2015.07.08-12.19.55:961][ 0]LogInit:Display: CookResults:Error: Error Couldn't save package, filename is too long: F:/Documents/Unreal Projects/BLISTER/BLISTER/Content/UniversalSoundFX/Sound_Effects/WEAPONS/Firearms/Fire_Real_Time_Strategy_RTS/FIREARM_RTS_Machine_Gun_Model_07_Fire_Burst_800RPM_12x_mono_96k_24bit.uasset
[2015.07.08-12.19.55:962][ 0]LogInit:Display: LogCook:Error: Couldn't save package, filename is too long :F:/Documents/Unreal Projects/BLISTER/BLISTER/Content/UniversalSoundFX/Sound_Effects/WEAPONS/Firearms/Fire_Real_Time_Strategy_RTS/FIREARM_RTS_Machine_Gun_Model_07_Fire_Burst_800RPM_12x_mono_96k_24bit.uasset
[2015.07.08-12.19.55:962][ 0]LogInit:Display: CookResults:Error: Error Couldn't save package, filename is too long: F:/Documents/Unreal Projects/BLISTER/BLISTER/Content/UniversalSoundFX/Sound_Effects/WEAPONS/Firearms/Fire_Real_Time_Strategy_RTS/FIREARM_RTS_Machine_Gun_Model_07_Fire_Automatic_800RPM_loop_mono_96k_24bit.uasset
[2015.07.08-12.19.55:962][ 0]LogInit:Display: LogCook:Error: Couldn't save package, filename is too long :F:/Documents/Unreal Projects/BLISTER/BLISTER/Content/UniversalSoundFX/Sound_Effects/WEAPONS/Firearms/Fire_Real_Time_Strategy_RTS/FIREARM_RTS_Machine_Gun_Model_07_Fire_Automatic_800RPM_loop_mono_96k_24bit.uasset
[2015.07.08-12.19.55:963][ 0]LogInit:Display: CookResults:Error: Error Couldn't save package, filename is too long: F:/Documents/Unreal Projects/BLISTER/BLISTER/Content/UniversalSoundFX/Sound_Effects/WEAPONS/Firearms/Fire_Real_Time_Strategy_RTS/FIREARM_RTS_Machine_Gun_Model_06_Fire_Single_RR3_mono_96k_24bit.uasset
[2015.07.08-12.19.55:964][ 0]LogInit:Display: LogCook:Error: Couldn't save package, filename is too long :F:/Documents/Unreal Projects/BLISTER/BLISTER/Content/UniversalSoundFX/Sound_Effects/WEAPONS/Firearms/Fire_Real_Time_Strategy_RTS/FIREARM_RTS_Machine_Gun_Model_06_Fire_Single_RR3_mono_96k_24bit.uasset
[2015.07.08-12.19.55:964][ 0]LogInit:Display: CookResults:Error: Error Couldn't save package, filename is too long: F:/Documents/Unreal Projects/BLISTER/BLISTER/Content/UniversalSoundFX/Sound_Effects/WEAPONS/Firearms/Fire_Real_Time_Strategy_RTS/FIREARM_RTS_Machine_Gun_Model_06_Fire_Single_RR2_mono_96k_24bit.uasset
[2015.07.08-12.19.55:964][ 0]LogInit:Display: LogCook:Error: Couldn't save package, filename is too long :F:/Documents/Unreal Projects/BLISTER/BLISTER/Content/UniversalSoundFX/Sound_Effects/WEAPONS/Firearms/Fire_Real_Time_Strategy_RTS/FIREARM_RTS_Machine_Gun_Model_06_Fire_Single_RR2_mono_96k_24bit.uasset
[2015.07.08-12.19.55:965][ 0]LogInit:Display: CookResults:Error: Error Couldn't save package, filename is too long: F:/Documents/Unreal Projects/BLISTER/BLISTER/Content/UniversalSoundFX/Sound_Effects/WEAPONS/Firearms/Fire_Real_Time_Strategy_RTS/FIREARM_RTS_Machine_Gun_Model_06_Fire_Single_RR1_mono_96k_24bit.uasset
[2015.07.08-12.19.55:965][ 0]LogInit:Display: LogCook:Error: Couldn't save package, filename is too long :F:/Documents/Unreal Projects/BLISTER/BLISTER/Content/UniversalSoundFX/Sound_Effects/WEAPONS/Firearms/Fire_Real_Time_Strategy_RTS/FIREARM_RTS_Machine_Gun_Model_06_Fire_Single_RR1_mono_96k_24bit.uasset
[2015.07.08-12.19.55:965][ 0]LogInit:Display: CookResults:Error: Error Couldn't save package, filename is too long: F:/Documents/Unreal Projects/BLISTER/BLISTER/Content/UniversalSoundFX/Sound_Effects/WEAPONS/Firearms/Fire_Real_Time_Strategy_RTS/FIREARM_RTS_Machine_Gun_Model_06_Fire_Burst_1000RPM_9x_mono_96k_24bit.uasset
[2015.07.08-12.19.55:966][ 0]LogInit:Display: LogCook:Error: Couldn't save package, filename is too long :F:/Documents/Unreal Projects/BLISTER/BLISTER/Content/UniversalSoundFX/Sound_Effects/WEAPONS/Firearms/Fire_Real_Time_Strategy_RTS/FIREARM_RTS_Machine_Gun_Model_06_Fire_Burst_1000RPM_9x_mono_96k_24bit.uasset
[2015.07.08-12.19.55:966][ 0]LogInit:Display: CookResults:Error: Error Couldn't save package, filename is too long: F:/Documents/Unreal Projects/BLISTER/BLISTER/Content/UniversalSoundFX/Sound_Effects/WEAPONS/Firearms/Fire_Real_Time_Strategy_RTS/FIREARM_RTS_Machine_Gun_Model_06_Fire_Burst_1000RPM_6x_mono_96k_24bit.uasset
[2015.07.08-12.19.55:967][ 0]LogInit:Display: LogCook:Error: Couldn't save package, filename is too long :F:/Documents/Unreal Projects/BLISTER/BLISTER/Content/UniversalSoundFX/Sound_Effects/WEAPONS/Firearms/Fire_Real_Time_Strategy_RTS/FIREARM_RTS_Machine_Gun_Model_06_Fire_Burst_1000RPM_6x_mono_96k_24bit.uasset
[2015.07.08-12.19.55:967][ 0]LogInit:Display: CookResults:Error: Error Couldn't save package, filename is too long: F:/Documents/Unreal Projects/BLISTER/BLISTER/Content/UniversalSoundFX/Sound_Effects/WEAPONS/Firearms/Fire_Real_Time_Strategy_RTS/FIREARM_RTS_Machine_Gun_Model_06_Fire_Burst_1000RPM_3x_mono_96k_24bit.uasset
[2015.07.08-12.19.55:967][ 0]LogInit:Display: LogCook:Error: Couldn't save package, filename is too long :F:/Documents/Unreal Projects/BLISTER/BLISTER/Content/UniversalSoundFX/Sound_Effects/WEAPONS/Firearms/Fire_Real_Time_Strategy_RTS/FIREARM_RTS_Machine_Gun_Model_06_Fire_Burst_1000RPM_3x_mono_96k_24bit.uasset
[2015.07.08-12.19.55:968][ 0]LogInit:Display: CookResults:Error: Error Couldn't save package, filename is too long: F:/Documents/Unreal Projects/BLISTER/BLISTER/Content/UniversalSoundFX/Sound_Effects/WEAPONS/Firearms/Fire_Real_Time_Strategy_RTS/FIREARM_RTS_Machine_Gun_Model_06_Fire_Burst_1000RPM_2x_mono_96k_24bit.uasset
[2015.07.08-12.19.55:968][ 0]LogInit:Display: LogCook:Error: Couldn't save package, filename is too long :F:/Documents/Unreal Projects/BLISTER/BLISTER/Content/UniversalSoundFX/Sound_Effects/WEAPONS/Firearms/Fire_Real_Time_Strategy_RTS/FIREARM_RTS_Machine_Gun_Model_06_Fire_Burst_1000RPM_2x_mono_96k_24bit.uasset
[2015.07.08-12.19.55:969][ 0]LogInit:Display: CookResults:Error: Error Couldn't save package, filename is too long: F:/Documents/Unreal Projects/BLISTER/BLISTER/Content/UniversalSoundFX/Sound_Effects/WEAPONS/Firearms/Fire_Real_Time_Strategy_RTS/FIREARM_RTS_Machine_Gun_Model_06_Fire_Burst_1000RPM_12x_mono_96k_24bit.uasset
[2015.07.08-12.19.55:970][ 0]LogInit:Display: LogCook:Error: Couldn't save package, filename is too long :F:/Documents/Unreal Projects/BLISTER/BLISTER/Content/UniversalSoundFX/Sound_Effects/WEAPONS/Firearms/Fire_Real_Time_Strategy_RTS/FIREARM_RTS_Machine_Gun_Model_06_Fire_Burst_1000RPM_12x_mono_96k_24bit.uasset
[2015.07.08-12.19.55:970][ 0]LogInit:Display: CookResults:Error: Error Couldn't save package, filename is too long: F:/Documents/Unreal Projects/BLISTER/BLISTER/Content/UniversalSoundFX/Sound_Effects/WEAPONS/Firearms/Fire_Real_Time_Strategy_RTS/FIREARM_RTS_Machine_Gun_Model_06_Fire_Automatic_1000RPM_loop_mono_96k_24bit.uasset
[2015.07.08-12.19.55:971][ 0]LogInit:Display: LogCook:Error: Couldn't save package, filename is too long :F:/Documents/Unreal Projects/BLISTER/BLISTER/Content/UniversalSoundFX/Sound_Effects/WEAPONS/Firearms/Fire_Real_Time_Strategy_RTS/FIREARM_RTS_Machine_Gun_Model_06_Fire_Automatic_1000RPM_loop_mono_96k_24bit.uasset
[2015.07.08-12.19.55:971][ 0]LogInit:Display: CookResults:Error: Error Couldn't save package, filename is too long: F:/Documents/Unreal Projects/BLISTER/BLISTER/Content/UniversalSoundFX/Sound_Effects/WEAPONS/Firearms/Fire_Real_Time_Strategy_RTS/FIREARM_RTS_Machine_Gun_Model_05_Fire_Single_RR3_mono_96k_24bit.uasset
[2015.07.08-12.19.55:971][ 0]LogInit:Display: LogCook:Error: Couldn't save package, filename is too long :F:/Documents/Unreal Projects/BLISTER/BLISTER/Content/UniversalSoundFX/Sound_Effects/WEAPONS/Firearms/Fire_Real_Time_Strategy_RTS/FIREARM_RTS_Machine_Gun_Model_05_Fire_Single_RR3_mono_96k_24bit.uasset
[2015.07.08-12.19.55:971][ 0]LogInit:Display: CookResults:Error: Error Couldn't save package, filename is too long: F:/Documents/Unreal Projects/BLISTER/BLISTER/Content/UniversalSoundFX/Sound_Effects/WEAPONS/Firearms/Fire_Real_Time_Strategy_RTS/FIREARM_RTS_Machine_Gun_Model_05_Fire_Single_RR2_mono_96k_24bit.uasset
[2015.07.08-12.19.55:972][ 0]LogInit:Display: LogCook:Error: Couldn't save package, filename is too long :F:/Documents/Unreal Projects/BLISTER/BLISTER/Content/UniversalSoundFX/Sound_Effects/WEAPONS/Firearms/Fire_Real_Time_Strategy_RTS/FIREARM_RTS_Machine_Gun_Model_05_Fire_Single_RR2_mono_96k_24bit.uasset
[2015.07.08-12.19.55:972][ 0]LogInit:Display: CookResults:Error: Error Couldn't save package, filename is too long: F:/Documents/Unreal Projects/BLISTER/BLISTER/Content/UniversalSoundFX/Sound_Effects/WEAPONS/Firearms/Fire_Real_Time_Strategy_RTS/FIREARM_RTS_Machine_Gun_Model_05_Fire_Single_RR1_mono_96k_24bit.uasset
[2015.07.08-12.19.55:973][ 0]LogInit:Display: LogCook:Error: Couldn't save package, filename is too long :F:/Documents/Unreal Projects/BLISTER/BLISTER/Content/UniversalSoundFX/Sound_Effects/WEAPONS/Firearms/Fire_Real_Time_Strategy_RTS/FIREARM_RTS_Machine_Gun_Model_05_Fire_Single_RR1_mono_96k_24bit.uasset
[2015.07.08-12.19.55:973][ 0]LogInit:Display: CookResults:Error: Error Couldn't save package, filename is too long: F:/Documents/Unreal Projects/BLISTER/BLISTER/Content/UniversalSoundFX/Sound_Effects/WEAPONS/Firearms/Fire_Real_Time_Strategy_RTS/FIREARM_RTS_Machine_Gun_Model_05_Fire_Burst_600RPM_9x_mono_96k_24bit.uasset
[2015.07.08-12.19.55:974][ 0]LogInit:Display: LogCook:Error: Couldn't save package, filename is too long :F:/Documents/Unreal Projects/BLISTER/BLISTER/Content/UniversalSoundFX/Sound_Effects/WEAPONS/Firearms/Fire_Real_Time_Strategy_RTS/FIREARM_RTS_Machine_Gun_Model_05_Fire_Burst_600RPM_9x_mono_96k_24bit.uasset
[2015.07.08-12.19.55:974][ 0]LogInit:Display: CookResults:Error: Error Couldn't save package, filename is too long: F:/Documents/Unreal Projects/BLISTER/BLISTER/Content/UniversalSoundFX/Sound_Effects/WEAPONS/Firearms/Fire_Real_Time_Strategy_RTS/FIREARM_RTS_Machine_Gun_Model_05_Fire_Burst_600RPM_6x_mono_96k_24bit.uasset
[2015.07.08-12.19.55:974][ 0]LogInit:Display: LogCook:Error: Couldn't save package, filename is too long :F:/Documents/Unreal Projects/BLISTER/BLISTER/Content/UniversalSoundFX/Sound_Effects/WEAPONS/Firearms/Fire_Real_Time_Strategy_RTS/FIREARM_RTS_Machine_Gun_Model_05_Fire_Burst_600RPM_6x_mono_96k_24bit.uasset
[2015.07.08-12.19.55:975][ 0]LogInit:Display: CookResults:Error: Error Couldn't save package, filename is too long: F:/Documents/Unreal Projects/BLISTER/BLISTER/Content/UniversalSoundFX/Sound_Effects/WEAPONS/Firearms/Fire_Real_Time_Strategy_RTS/FIREARM_RTS_Machine_Gun_Model_05_Fire_Burst_600RPM_3x_mono_96k_24bit.uasset
[2015.07.08-12.19.55:976][ 0]LogInit:Display: LogCook:Error: Couldn't save package, filename is too long :F:/Documents/Unreal Projects/BLISTER/BLISTER/Content/UniversalSoundFX/Sound_Effects/WEAPONS/Firearms/Fire_Real_Time_Strategy_RTS/FIREARM_RTS_Machine_Gun_Model_05_Fire_Burst_600RPM_3x_mono_96k_24bit.uasset
[2015.07.08-12.19.55:976][ 0]LogInit:Display: NOTE: Only first 50 errors displayed.
Please update the names of your files and try to package your project again. If you receive another error/failure, please upload those and I’ll look into that further for you.
Have a great day! 