How To Fix REMMMN054 - One house bank definition must be designated as the default

REMMMN054 - Overview

• Message type: E = Error

• Message class: REMMMN - Messages for Mandate Master Data

• Message number: 054

• Message text: One house bank definition must be designated as the default

What causes this issue?

The house bank definition that is designated as the template (if there
is one) is copied to the posting parameters. If the house bank
definition does not yet exist, then it is adopted after it is created
(when the contract is saved) to the posting parameters.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

REMMMN054 - Details

• The SAP error message REMMMN054 indicates that in the configuration of house banks, one house bank must be designated as the default. This is a common issue encountered in the SAP system when dealing with financial transactions, particularly in the context of payment processing.
  
  Cause:
  The error occurs when:
  
  You have multiple house banks defined in the system, but none of them is marked as the default house bank.
  The system requires a default house bank to be specified for processing payments or other financial transactions.
  
  
  Solution:
  To resolve this error, you need to designate one of the house banks as the default. Here are the steps to do this:
  
  
  Access the House Bank Configuration:
  
  Go to the SAP Easy Access screen.
  Navigate to the following path: Accounting -> Financial Accounting -> Bank Accounting -> Master Data -> House Bank -> Edit House Bank
  
  Alternatively, you can use transaction code FI12.
  
  
  
  Select the House Bank:
  
  In the house bank list, select the