Can you reduce the package size and try

can you please try below querySelect regexp_replace(substring(phone from '\\d'), '[^0-9]', ' ', 'g') as phone_number from your tableSorry I do not have system at hand but something similar ahould work.

Please rfer to this blog,https://blogs.sap.com/2014/04/16/how-to-implement-new-badi-rsroavariablesexitbadi-73-for-reporting-a-step-by-step-guide/Maybe you have got the implementation wrong

I am not talking about the variable exit code but the implementing class code for the badi..

Then must be something wrong in your code. Can you please include the implementing class code for me to take a look, thanks