Account Override error on Invoice Accounting

Summary:

While trying to change the accounting, I get the following error: xla-fun_bsv_invalid

Can someone please help me understand what this message means?

Content (required):

xla-fun_bsv_invalid

Please see screenshot of the error while overriding the accounting.

Version (include the version you are using, if applicable):

Code Snippet (add any code snippets that support your topic, if applicable):