How To Fix TXX801 - Internal error in &1: Target field defined is too small

SAP Error Message - Details

• Message type: E = Error

• Message class: TXX - DARTX - XML-Based Data Retention Tool

• Message number: 801

• Message text: Internal error in &1: Target field defined is too small

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 TXX801 - Internal error in &1: Target field defined is too small ?

  The SAP error message TXX801, which states "Internal error in &1: Target field defined is too small," typically occurs when there is an attempt to transfer data from one field to another, and the target field does not have enough space to accommodate the data being transferred. This can happen in various scenarios, such as during data processing, report generation, or data migration.
  Cause:
  
  Field Size Mismatch: The most common cause is that the source field contains data that exceeds the maximum length defined for the target field.
  Data Type Incompatibility: There may be a mismatch in data types between the source and target fields, leading to truncation or overflow.
  Custom Code Issues: If there are custom programs or enhancements, they may not handle data sizes correctly.
  Configuration Errors: Incorrect configuration in data mapping or field definitions can lead to this error.
  
  Solution:
  
  Check Field Definitions: Review the data dictionary (SE11) for the source and target fields to ensure that the target field has an adequate length to accommodate the data from the source field.
  Adjust Field Length: If the target field is indeed too small, consider increasing its length in the data dictionary. This may require adjustments in the database and careful testing.
  Data Validation: Implement validation checks to ensure that the data being transferred does not exceed the target field's capacity. This can be done through ABAP code or validation rules.
  Review Custom Code: If the error arises from custom ABAP programs, review the code to ensure that it correctly handles data sizes and types.
  Debugging: Use the SAP debugger to trace the execution of the program and identify where the error occurs. This can provide insights into the specific data causing the issue.
  Consult Documentation: Check SAP notes and documentation for any known issues or patches related to this error message.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like SE11 (Data Dictionary), SE80 (Object Navigator), or SE37 (Function Module) to investigate the definitions of the fields involved.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional guidance.
  Testing: After making changes, conduct thorough testing to ensure that the issue is resolved and that no new issues are introduced.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.