ERROR:

SOLUTION:

STEP 1: Go to Transaction code OBC4 for Field Status variant and then select your Field Status Variant > click on field status group as shown below

STEP 2: Check for Field Status group assigned for the G/L

STEP 3: Select the field status group and then click on Field status

STEP 4: Double Click on Payment Transactions

STEP 5: Make Due Date as "optional" and SAVE

Thanks,

Adharsh