How To Fix CACSDESIGN139 - Limits for number and length of fields in table &1 exceeded

SAP Error Message - Details

• Message type: E = Error

• Message class: CACSDESIGN - Messages From Construction

• Message number: 139

• Message text: Limits for number and length of fields in table &1 exceeded

&diagnose&
The number and total length of the fields in generated tables and
structures is limited (in the case of tables, independent for key fields
and data fields).
The upper limits are defined in the TCACS_TECH table.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CACSDESIGN139 - Limits for number and length of fields in table &1 exceeded ?

  The SAP error message CACSDESIGN139 indicates that the limits for the number and length of fields in a table have been exceeded. This typically occurs during the design phase of a table in the Data Dictionary (SE11) or when trying to create or modify a table structure.
  Cause:
  
  Field Count Exceeded: SAP has a limit on the number of fields that can be defined in a single table. If you try to add more fields than allowed, this error will occur.
  Field Length Exceeded: There are also limits on the total length of all fields combined in a table. If the total length exceeds the maximum allowed, this error will be triggered.
  Data Element Restrictions: Each data element has its own restrictions, and if you are trying to use data elements that collectively exceed the limits, this can also lead to the error.
  
  Solution:
  
  Review Table Structure: Check the current structure of the table in the Data Dictionary (SE11). Look at the number of fields and their lengths.
  Reduce Field Count: If the number of fields exceeds the limit, consider whether all fields are necessary. You may need to consolidate some fields or split the table into multiple related tables.
  Optimize Field Lengths: If the total length of fields exceeds the limit, review the data types and lengths of the fields. Consider using shorter data types or reducing the length of character fields where possible.
  Use Structures: If you have a lot of fields that are logically grouped together, consider creating a structure (SE11) and using that structure in your table instead of having all fields directly in the table.
  Check SAP Documentation: Refer to the SAP documentation for specific limits on field counts and lengths, as these can vary based on the version of SAP you are using.
  
  Related Information:
  
  Transaction Codes: Use SE11 (Data Dictionary) to view and modify table definitions.
  SAP Notes: Check for any relevant SAP Notes that might provide additional guidance or updates related to this error.
  Performance Considerations: Keep in mind that having too many fields or very large fields can also impact performance, so it's a good practice to keep table designs efficient.
  
  If you continue to face issues after trying the above solutions, consider reaching out to your SAP Basis or ABAP team for further assistance, as they may have additional insights or tools to help resolve the issue.