Steps to reproduce:
If you add any comand (e.g. a Message) into the folder ToolAction and you try to save the program the NullPointer Message appears and the File could not be saved.
For your test I have created a small example with a 2x3 pattern.
Affected Version(s):
Roboter Version 5.17, Simulator Version 5.19
PolyPallet_test.zip (9.3 KB)