My editor crashes when I press sync on my source control in UE4

[2018.04.16-01.41.05:753][270]LogBlueprint: Error: [Compiler ArtifactAnimal] In use pin Book Of Travelers no longer exists on node Get . Please refresh node or break links to remove pin.
[2018.04.16-01.41.05:753][270]LogBlueprint: Error: [Compiler ArtifactAnimal] In use pin Book Of Travelers no longer exists on node Get . Please refresh node or break links to remove pin.
[2018.04.16-01.41.05:755][270]LogBlueprint: Error: [Compiler AtkPlr] In use pin Book Of Travelers no longer exists on node Get . Please refresh node or break links to remove pin.
[2018.04.16-01.41.05:784][270]LogBlueprint: Error: [Compiler InventorySlot] In use pin Inventory Component no longer exists on node Get . Please refresh node or break links to remove pin.
[2018.04.16-01.41.05:784][270]LogBlueprint: Error: [Compiler InventorySlot] In use pin Inventory Component no longer exists on node Get . Please refresh node or break links to remove pin.
[2018.04.16-01.41.05:784][270]LogBlueprint: Error: [Compiler InventorySlot] In use pin Inventory Component no longer exists on node Get . Please refresh node or break links to remove pin.
[2018.04.16-01.41.05:784][270]LogBlueprint: Error: [Compiler InventorySlot] In use pin Inventory Component no longer exists on node Get . Please refresh node or break links to remove pin.
[2018.04.16-01.41.05:785][270]LogBlueprint: Error: [Compiler InventorySlot] In use pin Inventory Component no longer exists on node Get . Please refresh node or break links to remove pin.
[2018.04.16-01.41.05:785][270]LogBlueprint: Error: [Compiler InventorySlot] In use pin Inventory Component no longer exists on node Get . Please refresh node or break links to remove pin.
[2018.04.16-01.41.05:785][270]LogBlueprint: Error: [Compiler InventorySlot] In use pin Inventory Component no longer exists on node Get . Please refresh node or break links to remove pin.
[2018.04.16-01.41.05:785][270]LogBlueprint: Error: [Compiler InventorySlot] In use pin Inventory Component no longer exists on node Get . Please refresh node or break links to remove pin.
[2018.04.16-01.41.05:785][270]LogBlueprint: Error: [Compiler InventorySlot] In use pin Storage Opened no longer exists on node Get . Please refresh node or break links to remove pin.
[2018.04.16-01.41.05:786][270]LogBlueprint: Error: [Compiler InventorySlot] In use pin Storage Opened no longer exists on node Get . Please refresh node or break links to remove pin.
[2018.04.16-01.41.05:786][270]LogBlueprint: Error: [Compiler InventorySlot] In use pin Storage Opened no longer exists on node Get . Please refresh node or break links to remove pin.
[2018.04.16-01.41.05:786][270]LogBlueprint: Error: [Compiler InventorySlot] In use pin Storage Opened no longer exists on node Get . Please refresh node or break links to remove pin.
[2018.04.16-01.41.05:786][270]LogBlueprint: Error: [Compiler InventorySlot] In use pin Storage Opened no longer exists on node Get . Please refresh node or break links to remove pin.
[2018.04.16-01.41.05:786][270]LogBlueprint: Error: [Compiler InventorySlot] In use pin Storage Opened no longer exists on node Get . Please refresh node or break links to remove pin.
[2018.04.16-01.41.05:786][270]LogBlueprint: Error: [Compiler InventorySlot] In use pin Storage Opened no longer exists on node Get . Please refresh node or break links to remove pin.
[2018.04.16-01.41.05:786][270]LogBlueprint: Error: [Compiler InventorySlot] In use pin Inventory Component no longer exists on node Get . Please refresh node or break links to remove pin.
[2018.04.16-01.41.05:787][270]LogBlueprint: Error: [Compiler InventorySlot] In use pin Inventory Component no longer exists on node Get . Please refresh node or break links to remove pin.
[2018.04.16-01.41.05:787][270]LogBlueprint: Error: [Compiler InventorySlot] In use pin Inventory Component no longer exists on node Get . Please refresh node or break links to remove pin.
[2018.04.16-01.41.05:787][270]LogBlueprint: Error: [Compiler InventorySlot] In use pin Inventory Component no longer exists on node Get . Please refresh node or break links to remove pin.
[2018.04.16-01.41.05:787][270]LogBlueprint: Error: [Compiler InventorySlot] In use pin Inventory Component no longer exists on node Get . Please refresh node or break links to remove pin.
[2018.04.16-01.41.05:788][270]LogBlueprint: Error: [Compiler InventorySlot] In use pin Inventory Component no longer exists on node Get . Please refresh node or break links to remove pin.
[2018.04.16-01.41.05:788][270]LogBlueprint: Error: [Compiler InventorySlot] In use pin Storage Opened no longer exists on node Get . Please refresh node or break links to remove pin.
[2018.04.16-01.41.05:788][270]LogBlueprint: Error: [Compiler InventorySlot] In use pin Storage Opened no longer exists on node Get . Please refresh node or break links to remove pin.
[2018.04.16-01.41.05:849][270]LogBlueprint: Error: [Compiler InventorySlotMenu] In use pin Storage Opened no longer exists on node Get . Please refresh node or break links to remove pin.
[2018.04.16-01.41.05:849][270]LogBlueprint: Error: [Compiler InventorySlotMenu] In use pin Inventory Component no longer exists on node Get . Please refresh node or break links to remove pin.
[2018.04.16-01.41.05:850][270]LogBlueprint: Error: [Compiler InventorySlotMenu] In use pin Storage Opened no longer exists on node Get . Please refresh node or break links to remove pin.
[2018.04.16-01.41.05:850][270]LogBlueprint: Error: [Compiler InventorySlotMenu] In use pin Inventory Component no longer exists on node Get . Please refresh node or break links to remove pin.
[2018.04.16-01.41.05:850][270]LogBlueprint: Error: [Compiler InventorySlotMenu] In use pin Inventory Component no longer exists on node Get . Please refresh node or break links to remove pin.
[2018.04.16-01.41.05:880][270]LogBlueprint: Error: [Compiler StorageWidget] In use pin Storage Opened no longer exists on node Get . Please refresh node or break links to remove pin.
[2018.04.16-01.41.05:948][270]LogBlueprint: Warning: [Compiler BP_Traveler] Input Axis Event references unknown Axis ‘SwimUpDown’ for InputAxis SwimUpDown
[2018.04.16-01.41.06:247][270]LogBlueprint: Warning: [Compiler InventorySlot] Could not find the function ‘SwapItem’ called from Swap Item

These are the errors I get when I check the file.