Corrupted Blueprint, fix?

[2014.03.23-19.32.34:698][682]LogWindows: === Critical error: ===

[2014.03.23-19.32.34:699][682]LogWindows: Assertion failed: !Obj->HasAnyFlags(RF_NeedLoad|RF_NeedPostLoad|RF_ClassDefaultObject) [File:D:\BuildFarm\buildmachine_++depot+UE4-Releases+4.0\Engine\Source\Runtime\CoreUObject\Private\UObject\UObjectGlobals.cpp] [Line: 1742]
Attempting to replace an object that hasn’t been fully loaded: EdGraphPin /Game/Blueprints/NewBlueprint.NewBlueprint:EventGraph.K2Node_CallFunction_13298.EdGraphPin_3758