How To Fix QT104 - Number of user fields allowed has been exceeded

SAP Error Message - Details

• Message type: E = Error

• Message class: QT - QM: Inspection during production (with inspection points)

• Message number: 104

• Message text: Number of user fields allowed has been exceeded

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 QT104 - Number of user fields allowed has been exceeded ?

  The SAP error message QT104 indicates that the number of user fields allowed in a particular context has been exceeded. This typically occurs in the context of customizing or extending SAP applications, where user-defined fields (often referred to as "Z-fields") are added to standard SAP tables or structures.
  Cause:
  
  Exceeding Limits: SAP has predefined limits on the number of user fields that can be added to certain structures or tables. When you try to add more fields than allowed, you will encounter this error.
  Custom Development: If you are working on a custom development project or enhancement, you may inadvertently exceed the limit by adding too many user-defined fields.
  Configuration Changes: Changes in configuration or attempts to add fields in transactions or reports that are not designed to handle additional fields can also trigger this error.
  
  Solution:
  
  Review User Fields: Check the number of user fields currently defined in the relevant structure or table. You can do this by navigating to the Data Dictionary (SE11) and examining the structure or table in question.
  Remove Unused Fields: If there are any user fields that are no longer needed, consider removing them to free up space for new fields.
  Optimize Field Usage: Evaluate whether all user fields are necessary. Sometimes, consolidating data into fewer fields can help stay within limits.
  Use Alternative Approaches: If you need to store more data than the limit allows, consider using alternative methods such as:
  
  Creating a custom table to store additional data.
  Using existing fields more efficiently.
  Utilizing SAP's enhancement framework or BAdIs (Business Add-Ins) to extend functionality without adding user fields.
  
  
  Consult SAP Documentation: Refer to SAP's official documentation or notes for specific limits related to the structure or table you are working with. This can provide insights into best practices and alternative solutions.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this issue or provide guidance on best practices for extending user fields.
  Data Dictionary (SE11): Use the Data Dictionary transaction to analyze the structure of the table or structure in question.
  ABAP Development: If you are a developer, consider discussing with your team or consulting with an ABAP developer to explore more advanced solutions or optimizations.
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and what solutions they have implemented.
  
  By following these steps, you should be able to resolve the QT104 error and manage user fields effectively within your SAP environment.