How To Fix AR116 - Post office bank current account number contains invalid characters

AR116 - Overview

• Message type: E = Error

• Message class: AR - SSRV function module messages

• Message number: 116

• Message text: Post office bank current account number contains invalid characters

How to fix this error?

The post office bank current account number must be entered in one of
the following ways:

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

nnnnnn-ppz (maximum of six "n")
bnnnnnnppz (six "n" exactly)
nnnnnnppz (as above but without "-" or "b")
where
n = Number
pp = Post office bank branch (e.g. 75)
z = Check digit
b = BAZ number
You do not need to enter the hyphen or BAZ number (see the last of the
above possible entries).

Error message extract from SAP system. Copyright SAP SE.

AR116 - Details

• The SAP error message AR116, which states "Post office bank current account number contains invalid characters," typically occurs when the account number entered in the system contains characters that are not allowed. This can happen in various SAP modules, particularly in financial transactions where bank account details are required.
  
  Cause:
  
  Invalid Characters: The account number may contain special characters, spaces, or letters that are not permitted. For example, it should only consist of digits.
  Format Issues: The account number may not conform to the expected format defined in the system settings or configuration.
  Data Entry Errors: Mistakes during manual entry of the account number can lead to this error.
  
  
  Solution:
  
  Check Account Number: Review the account number you have entered. Ensure it contains only valid numeric characters (0-9) and does not include any spaces or special characters.
  Verify Format: Ensure that the account number adheres to the required format as defined in your SAP configuration. This may