Transfering Advance from Special GL to Normal Items (Use t-code F-54)
Step 1) Give Document date, Type, Company code, Vendor account and Text
Select the Process down Payments button
Step 3) From the menu Document - Simulate to view document details
Step 4) Select the save button
we get a message below
Select the Process down Payments button
Step 2) Double click row under the Transfer Posting column