How To Fix /PM0/3FW_MESSAGES126 - Value of field group must be between 0 and 999

SAP Error Message - Details

• Message type: E = Error

• Message class: /PM0/3FW_MESSAGES -

• Message number: 126

• Message text: Value of field group must be between 0 and 999

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 /PM0/3FW_MESSAGES126 - Value of field group must be between 0 and 999 ?

  The SAP error message /PM0/3FW_MESSAGES126 Value of field group must be between 0 and 999 typically indicates that a value being entered into a field group is outside the acceptable range defined by the system. This error is often encountered in the context of configuration or data entry in SAP PM (Plant Maintenance) or related modules.
  Cause:
  
  Invalid Input: The value entered in the field group exceeds the maximum limit of 999 or is less than 0.
  Configuration Issues: There may be a misconfiguration in the system settings that defines the acceptable range for the field group.
  Data Migration Issues: If data has been migrated from another system, it may contain values that do not conform to the expected range.
  User Error: The user may have mistakenly entered an incorrect value.
  
  Solution:
  
  Check Input Value: Verify the value being entered in the field group. Ensure it is within the range of 0 to 999.
  Review Configuration: If you have access, check the configuration settings for the field group in the relevant transaction or configuration area. Ensure that the limits are set correctly.
  Data Validation: If this error occurs during data migration or batch processing, validate the data to ensure all values conform to the expected range.
  User Training: Provide training or documentation to users to ensure they understand the acceptable input values for the field group.
  Debugging: If the issue persists, consider debugging the transaction or process to identify where the invalid value is being generated or passed.
  
  Related Information:
  
  Transaction Codes: Depending on where the error occurs, you may need to look into specific transaction codes related to PM or the module you are working with (e.g., IW31 for creating maintenance orders).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Field Documentation: Review the documentation for the specific field group to understand its purpose and constraints better.
  
  If the problem continues after following these steps, it may be beneficial to consult with your SAP support team or a technical consultant who can provide more in-depth assistance.