When the project loads up, then this error comes up and the Ued quits with the error below.
I got the latest 4.10.4 version from the launcher 25th February 2016) and win 7.
I also tried to delete the derived data caches, same problem afterward.
What ways do i have to track down the problem, as I cant work on on the project right now? Other projects work with 4.10.4.
"Assertion failed: Index.IsImport() && ImportMap.IsValidIndex(Index.ToImport()) [File:D:\BuildFarm\buildmachine_++depot+UE4-Releases+4.10\Engine\Source\Runtime\CoreUObject\Public\UObject\Linker.h] [Line:
UE4Editor_Core!FDebug::AssertFailed() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\core\private\misc\outputdevice.cpp:374]
UE4Editor_AssetRegistry!FPackageDependencyData::GetImportPackageName() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\assetregistry\private\packagedependencydata.cpp:10]
UE4Editor_AssetRegistry!FAssetRegistry::DependencyDataGathered() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\assetregistry\private\assetregistry.cpp:1797]
UE4Editor_AssetRegistry!FAssetRegistry::Tick() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\assetregistry\private\assetregistry.cpp:1317]
UE4Editor_UnrealEd!UEditorEngine::Tick() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\editor\unrealed\private\editorengine.cpp:1118]
UE4Editor_UnrealEd!UUnrealEdEngine::Tick() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\editor\unrealed\private\unrealedengine.cpp:361]
UE4Editor!FEngineLoop::Tick() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\launch\private\launchengineloop.cpp:2427]
UE4Editor!GuardedMain() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\launch\private\launch.cpp:142]
UE4Editor!GuardedMainWrapper() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\launch\private\windows\launchwindows.cpp:126]
UE4Editor!WinMain() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\launch\private\windows\launchwindows.cpp:200]
UE4Editor!__scrt_common_main_seh() [f:\dd\vctools\crt\vcstartup\src\startup\exe_common.inl:264]
kernel32
ntdll