We use PxPlus V15 (2018) and we use the GUI within the data dictionary maintenance.
We have empty the year files and run our conversion program again and it works fine now.
In the same session we get the error=31 we became some errors 105. Perhaps that was the problem.
Thanks for the reaction.

We received a error=31 when we are splitting a file with 631.500 records into 6 yearfiles.
PxPlus is hanging after that error.