How To Fix KX390 - Structure & is too long (& bytes; maximum is & bytes)

SAP Error Message - Details

• Message type: E = Error

• Message class: KX - EC-EIS/EC-BP: Data basis, data collection

• Message number: 390

• Message text: Structure & is too long (& bytes; maximum is & bytes)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message KX390 - Structure & is too long (& bytes; maximum is & bytes) ?

  The SAP error message KX390 indicates that a structure or data field is too long, exceeding the maximum allowed byte size. This error typically occurs in the context of SAP's Controlling (CO) module, particularly when dealing with cost elements, cost centers, or other related structures.
  Cause:
  
  Data Length Exceeded: The error arises when the data being processed exceeds the predefined length for a specific field or structure. For example, if a field is defined to hold a maximum of 255 bytes, and the data being input is 300 bytes, this error will be triggered.
  Custom Development: If there are custom programs, enhancements, or modifications in the system that are not adhering to the defined data structures, this can lead to the error.
  Data Migration: During data migration or uploads, if the data being imported does not conform to the expected structure length, this error can occur.
  
  Solution:
  
  Check Field Lengths: Review the field definitions in the relevant data structures to ensure that the data being input does not exceed the maximum allowed length. This can be done in the Data Dictionary (SE11) by checking the relevant table or structure.
  Data Truncation: If the data being processed is too long, consider truncating it to fit within the allowed limits. This may involve modifying the source data or adjusting the way data is being captured.
  Custom Code Review: If the error is occurring in a custom program, review the code to ensure that it is correctly handling data lengths and not attempting to insert or process data that exceeds the defined limits.
  Adjusting Structures: If necessary and feasible, consider adjusting the structure definitions to accommodate larger data sizes, but be cautious as this may have broader implications on the system.
  Testing: After making changes, thoroughly test the affected areas to ensure that the error is resolved and that no new issues have been introduced.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like SE11 (Data Dictionary), SE80 (Object Navigator), or SE37 (Function Module) to investigate the structures and programs involved.
  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.
  Documentation: Review SAP documentation related to the specific module or functionality you are working with to understand the expected data structures and limits.
  
  If the issue persists after following these steps, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.