10001024 
Message
You cannot execute payment run; posting period is locked
Diagnosis
In the Payment Wizard, in the Save Options window, you have selected the Execute radio button, and you have attempted to choose the Next button. However, the posting period is locked for the loaded payment run.
Procedure
Note
You may need superuser status or permission to perform the following procedure.
End of the note.
Choose
Administration 
System Initialization Posting Periods 
.In the Posting Periods window, in the row of the posting period you want to unlock, choose the
(Link Arrow) icon.In the Posting Period window, in the Period Status dropdown list, select the status you require.
Choose the Update button, then choose the OK button.
In the Posting Periods window, choose the OK button.