How To Fix FMCA_TTF_DESIGNTIME048 - Sub table &1 is too long. Sub tables are limited to 524287 Bytes.

SAP Error Message - Details

• Message type: E = Error

• Message class: FMCA_TTF_DESIGNTIME -

• Message number: 048

• Message text: Sub table &1 is too long. Sub tables are limited to 524287 Bytes.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FMCA_TTF_DESIGNTIME048 - Sub table &1 is too long. Sub tables are limited to 524287 Bytes. ?

  The SAP error message FMCA_TTF_DESIGNTIME048 indicates that a sub-table in a data structure exceeds the maximum allowed size of 524,287 bytes. This error typically occurs in the context of using Table Types or Structures in ABAP programs, particularly when dealing with internal tables or data definitions that involve sub-tables.
  Cause:
  The error is caused by the definition of a sub-table that has a total size greater than the allowed limit. This can happen due to:
  
  The number of fields in the sub-table being too large.
  The data types of the fields in the sub-table consuming too much space.
  Nested structures or tables that collectively exceed the size limit.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Review the Structure Definition:
  
  Check the definition of the sub-table and identify the fields that are contributing to the size.
  Consider whether all fields are necessary or if some can be removed.
  
  
  
  Optimize Data Types:
  
  Use more compact data types where possible. For example, if you are using CHAR with a large length, consider using a smaller length or a different type like STRING if appropriate.
  
  
  
  Split the Sub-table:
  
  If the sub-table is too large, consider splitting it into multiple smaller sub-tables. This can help keep each sub-table within the size limit.
  
  
  
  Use References:
  
  Instead of embedding large structures directly, consider using references (like pointers) to manage large data sets more efficiently.
  
  
  
  Check for Nested Structures:
  
  If your sub-table contains nested structures, ensure that the total size of all nested elements does not exceed the limit.
  
  
  
  Testing:
  
  After making changes, test the program to ensure that it functions correctly and that the error no longer occurs.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific guidance or updates related to this error message.
  Documentation: Review the ABAP documentation for best practices on defining data structures and internal tables.
  Performance Considerations: Keep in mind that larger data structures can impact performance, so optimizing the size can also lead to better performance in your application.
  
  By following these steps, you should be able to resolve the error and ensure that your data structures comply with SAP's limitations.