How To Fix AR168 - The bank contorl key must be one character

SAP Error Message - Details

• Message type: E = Error

• Message class: AR - SSRV function module messages

• Message number: 168

• Message text: The bank contorl key must be one character

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message AR168 - The bank contorl key must be one character ?

  The SAP error message AR168, which states "The bank control key must be one character," typically occurs when there is an issue with the bank control key field in the system. This field is used to define how bank transactions are processed and is expected to contain a single character.
  Cause:
  
  Incorrect Input: The most common cause of this error is that the bank control key field has been filled with more than one character or is left blank.
  Data Entry Error: Users may inadvertently enter multiple characters or special characters instead of a single valid character.
  Configuration Issues: There may be issues with the configuration of the bank control key in the system, leading to validation errors.
  
  Solution:
  
  Check Input: Ensure that the bank control key field is filled with exactly one valid character. If it is blank or contains more than one character, correct it.
  Review Configuration: If you are an administrator or have access to configuration settings, check the configuration of the bank control key in the relevant SAP module (e.g., FI - Financial Accounting). Ensure that the key is defined correctly and that it adheres to the expected format.
  Consult Documentation: Refer to SAP documentation or help resources to understand the valid values for the bank control key and ensure compliance.
  User Training: If this error is frequent, consider providing training to users on how to correctly enter data in the relevant fields.
  
  Related Information:
  
  Transaction Codes: You may need to check the relevant transaction codes where this error occurs, such as FBZP (Maintain Payment Program) or FSP0 (Maintain Bank Master Data).
  SAP Notes: Check for any SAP Notes related to this error message for additional guidance or patches that may address the issue.
  Field Documentation: Review the field documentation in the SAP system to understand the expected values and constraints for the bank control key.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or reach out to SAP support for further assistance.