3416368 - Outbound File is not in correct format which is expected from the Custom Payment Medium Format.

• You have created a Payment File Structure 'XXX' and you have assigned that Payment File Structure to the Payment Medium Format 'YY'.
• Then you assigned that Payment Medium Format to Bank 'ZZ', and you created the Outgoing Bank Transfer from Payment Monitor.
• After that you created the Outbound File 'AA' . But the Outbound File is not in new format and it is still in old format.

SAP Business ByDesign.

1) Go to the Liquidity Management work center.

2) Go to the Outbound File sub view.

3) Search for the Document 'AA',

4) Try to download the File Format, here you will see the format is not same as the assigned Payment Medium Format.

1. Go to the Business Configuration work center.
2. Go to the Implementation Projects view.
3. Open the Activity list.
4. Open the activity Outgoing Bank Transfer.
5. Click Edit Payment Medium Formats.
6. Highlight the concerned Payment Medium Format that uses your file structure.
7. Here you will see some of the required fields are not maintained with the data to generate the Outbound File in the expected format.

You have to correctly maintain all the required fields with the data by following the below steps.

1. Go to the Business Configuration work center.
2. Go to the Implementation Projects view.
3. Open the activity list.
4. Open the activity Outgoing Bank Transfer.
5. Click Edit payment medium formats.
6. Highlight the concerned payment medium format *Z5* that uses your file structure.
7. Go to General tab and select Multiple Payments Allowed check box.
8. Click tab Sort Sequence and Granularity of payments, below this try to maintain the data
9. Enter for which payments within the payment file a logical message should be generated.
10. Click on Save tab.

These are mandatory steps while creating a Payment Medium Format. Please create the setting accordingly, for reference you can also take any standard Payment Medium Format in your system.

Once all the above settings done, You should newly create the Outgoing bank transfer and generate the Outbound File again with the expected File format.

For more details please refer this provided link: Payment Medium Format | SAP Help Portal 

Payment Medium Format, Outgoing Bank Transfer, Payment File Structure, Outbound File. , KBA , SRD-FIN-CLM , Cash and Liquity Managment , Problem