How To Fix 5C438 - SI number does not adhere to nnn.nnnn.nnnn.nn format (line &1)

SAP Error Message - Details

• Message type: E = Error

• Message class: 5C - HR: Messages for Switzerland

• Message number: 438

• Message text: SI number does not adhere to nnn.nnnn.nnnn.nn format (line &1)

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message 5C438 - SI number does not adhere to nnn.nnnn.nnnn.nn format (line &1) ?

  The SAP error message 5C438 indicates that the Serial Number (SI number) you are trying to enter does not conform to the expected format, which is typically represented as nnn.nnnn.nnnn.nn. This format suggests that the serial number should consist of a specific structure, likely involving a certain number of digits separated by periods.
  Cause:
  
  
  Incorrect Format: The serial number you entered does not match the required format. This could be due to:
  
  Missing digits.
  Extra digits.
  Incorrect placement of periods.
  Use of invalid characters (e.g., letters or special characters).
  
  
  
  Configuration Issues: The system may have specific configuration settings that define the expected format for serial numbers, and the input does not meet these criteria.
  
  
  Solution:
  
  
  Check the Serial Number: Review the serial number you are trying to enter and ensure it adheres to the nnn.nnnn.nnnn.nn format. For example, it should look something like 123.4567.8901.23.
  
  
  Correct Input: If the serial number is incorrect, modify it to fit the required format. Ensure that:
  
  There are exactly 4 groups of numbers.
  Each group is separated by a period.
  Each group contains the correct number of digits.
  
  
  
  Consult Documentation: If you are unsure about the format, refer to the relevant SAP documentation or guidelines provided by your organization regarding serial number formats.
  
  
  Configuration Check: If you believe the format is correct but still receive the error, check with your SAP administrator to ensure that the system configuration for serial numbers is set up correctly.
  
  
  Testing: After making corrections, try entering the serial number again to see if the error persists.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or updates related to serial number formats.
  User Manuals: Refer to user manuals or training materials specific to your SAP module for additional guidance on handling serial numbers.
  Support: If the issue continues, consider reaching out to SAP support or your internal IT support team for further assistance.
  
  By following these steps, you should be able to resolve the error message 5C438 and successfully enter the serial number in the correct format.