How can I export a project after transformations in the current version 3.8.7 using the Python API? It works up to version 3.7.9, however after that, it creates an issue

"" Error 500 java.lang.UnsupportedOperationException

HTTP ERROR 500 java.lang.UnsupportedOperationException

URI:/command/core/export-rows
STATUS:500
MESSAGE:java.lang.UnsupportedOperationException
SERVLET:refine
CAUSED BY:java.lang.UnsupportedOperationException

Caused by: