3160972 - Error while exporting User/Group assignment report in SPM

We are an On-prem customer using version 13.999 of Signavio, and while exporting the user/group assignment report, we are receiving the following error : "java.lang.IllegalStateException: The maximum number of cell styles was exceeded. You can define up to 4000 styles in a .xls workbook - Transaction HttpTransaction execution failed."

This is a known issue affecting On-prem version 13.999 of Signavio, it is essentially a limitation of the .xls workbooks. The error will occur when the report would have more than 4,000 cells (based on the number of individual assignments of users to groups).

A fix has been already been released for SaaS customers affected by this issue by re-using the same style for most of the cells, since individual cell styles do not need to be defined.
A fix for On-prem customers using this version is scheduled for the end of the 2020 calendar year.

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