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

5C438 - Overview

• 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