"symbol lookup error" on first run on Linux

Development Platform & Builds
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1

Just compiled the latest version of UE4 on Linux using the instructions given here, but when I try to run it I get the following error.

./UE4Editor: symbol lookup error: /home/blueblur112198/tmp/unrealengine/Engine/Binaries/Linux/libUE4Editor-Kismet.so: undefined symbol: _ZN26FGraphEditorDragDropAction9ConstructEv

2

I started seeing this today as well. Just pops in for no reason it seems. The only way I’ve found to get rid of it is to rebuild the editor.