How To Fix LF_SER012 - Only numerical values are allowed for serial number capture

SAP Error Message - Details

• Message type: E = Error

• Message class: LF_SER -

• Message number: 012

• Message text: Only numerical values are allowed for serial number capture

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 LF_SER012 - Only numerical values are allowed for serial number capture ?

  The SAP error message LF_SER012 indicates that there is an issue with the serial number input during a transaction. Specifically, it means that the system expects only numerical values for the serial number, but it has received a non-numerical value (such as letters or special characters).
  Cause:
  
  Invalid Input: The user may have entered a serial number that contains letters, spaces, or special characters instead of just numerical digits.
  Data Format: The serial number field may be incorrectly formatted or configured in the system, leading to the acceptance of invalid characters.
  Copy-Paste Issues: Sometimes, copying and pasting serial numbers from other sources can inadvertently include hidden characters or formatting that is not visible.
  
  Solution:
  
  Check Input: Ensure that the serial number being entered consists only of numerical digits (0-9). Remove any letters, spaces, or special characters.
  Re-enter Serial Number: Manually type the serial number instead of copying and pasting it to avoid hidden characters.
  Field Configuration: If you have access to system configuration, check the settings for the serial number field to ensure it is set to accept only numerical values.
  Validation Rules: Review any validation rules or user exits that may be affecting the input of serial numbers to ensure they are correctly implemented.
  User Training: If this is a recurring issue, consider providing training or guidelines to users on how to correctly enter serial numbers.
  
  Related Information:
  
  SAP Documentation: Refer to SAP Help documentation for more details on serial number management and error handling.
  Transaction Codes: Familiarize yourself with relevant transaction codes (like IQ01, IQ02, or IQ03 for serial number management) to better understand where the error might be occurring.
  Support Forums: Check SAP community forums or support channels for similar issues and solutions shared by other users.
  Debugging: If you have access to technical resources, debugging the transaction can help identify where the input is failing.
  
  By following these steps, you should be able to resolve the LF_SER012 error and successfully capture the serial number in SAP.