SAP Message 5J508 - Do not input Number of monthly repayments.

Diagnosis
Unnecessary value for field "Number of monthly repayments".

System Response
To create a loan repayment plan deducted only from Syoyo accounting,the system doesn't expect a value in the field "Number of monthlyrepayments". This value is unnecessary for calculating the deductionwhich is only from Syoyo accounting.

Procedure
Clear the value in the field.