SAP Message 69740 - Posting error! Reverse any postings generated

Diagnosis
Errors occurred while processing the data to be released. Some postingshave already been transferred.

System Response
Not all the postings were executed successfully.

Procedure
Check whether the postings that have already been transferred haveactually been carried out. You may need to reverse these postings. Findout why the function terminated. Depending on the cause, you may beable to release the activity again, or will have to delete it.