SAP Message 5N266 - IT 0764 may not be deleted because activity &1 is confirmed

Diagnosis You have tried to delete infotype Eligibility for Permanent Benefit(Restrictions) Act (0764). This is not allowed becauseactivity &v1& is confirmed. Procedure Infotype Eligibility for Permanent Benefit (Restrictions) Act (0764) can only be deleted if no single activity has a processingdate or a confirmation indicator and if no text is included with anysingle activity. If you want to delete the infotype, you must check thisbeforehand.