SAP Message RP506 - You are not allowed to delete the record between & and &

Diagnosis
You have tried to delete a loan record even though payments havealready been made for this loan.

Procedure
You cannot delete the loan record if the loan has already beenaccounted and the amount in the 'payment' tab has already been paid,Only if the existing entry for the payment has been canceled for thefuture and is definitely incorrect may you delete the relevant entryandthe existing IT0045 record.