Groovy-Randomly receiving "The form GroovyDataGrid_# is invalid" error that works perfectly on rerun

Summary:

We have rules that will occasionally fail with the above error but work perfectly when rerun with no changes.

Content (please ensure you mask any confidential information):

In EPBCS we have many rules that use DataGridDefinitionBuilder and/or DataGridBuilder logic within them. The majority of the time they work perfectly but will occasionally fail with the message: "A method called by the script failed on line: #, with error: The form GroovyDataGrid_# is invalid." If we rerun it exactly as is right after it will work again so there is nothing wrong with the actual code. We've dubbed these "gremlins" but they happen often enough that it is an issue, especially when it is in the middle of a long running script or in