How To Fix FQ165 - Number invalid (check digit) &

SAP Error Message - Details

• Message type: E = Error

• Message class: FQ - Payment Requests and Payment Program

• Message number: 165

• Message text: Number invalid (check digit) &

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 FQ165 - Number invalid (check digit) & ?

  The SAP error message FQ165 "Number invalid (check digit)" typically occurs in the context of financial transactions, particularly when dealing with document numbers, account numbers, or other identifiers that require a check digit for validation. This error indicates that the check digit of the number you are trying to enter does not match the expected value based on the algorithm used to calculate it.
  Cause:
  
  Incorrect Number Entry: The most common cause is that the number has been entered incorrectly, either due to a typographical error or misunderstanding of the required format.
  Check Digit Algorithm: The check digit is calculated using a specific algorithm (like Luhn's algorithm). If the number does not conform to this algorithm, the error will be triggered.
  Data Corruption: In some cases, data corruption or issues during data migration can lead to invalid numbers being stored in the system.
  Configuration Issues: There may be configuration settings in SAP that dictate how numbers are validated, and if these settings are incorrect, it could lead to this error.
  
  Solution:
  
  Verify the Number: Double-check the number you are entering to ensure it is correct. Look for any typographical errors or misplaced digits.
  Recalculate the Check Digit: If you have access to the algorithm used for the check digit, recalculate it based on the other digits of the number to ensure it is correct.
  Consult Documentation: Refer to SAP documentation or your organization's guidelines on the specific format and requirements for the number you are entering.
  Check Configuration: If you suspect a configuration issue, consult with your SAP administrator or technical team to review the settings related to number validation.
  Data Integrity Check: If the issue persists, consider running a data integrity check to identify any corrupted records or inconsistencies in the database.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions to common problems.
  User Forums: Engage with SAP user forums or communities where other users may have encountered and resolved similar issues.
  Documentation: Review the relevant SAP documentation for the specific module you are working with, as different modules may have different requirements for number formats and check digits.
  
  If the problem continues after trying these solutions, it may be necessary to escalate the issue to your SAP support team for further investigation.