How To Fix DT128 - Activation of table & because of data field POSITION

SAP Error Message - Details

• Message type: E = Error

• Message class: DT - Table activation (incl. indexes)

• Message number: 128

• Message text: Activation of table & because of data field POSITION

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DT128 - Activation of table & because of data field POSITION ?

  The SAP error message DT128 typically indicates an issue related to the activation of a database table due to a problem with a specific data field, in this case, the field named POSITION. This error can occur during the activation of a table in the Data Dictionary (SE11) or when trying to transport changes.
  Cause:
  
  Data Type Issues: The field POSITION may have an incorrect data type or length that is not compatible with the table structure or the database.
  Field Definition: The field might be defined incorrectly, such as having a non-unique key or being part of a composite key that is not properly defined.
  Database Constraints: There may be constraints in the database that prevent the activation of the table, such as foreign key relationships or unique constraints that are violated.
  Transport Issues: If the table is being transported from one system to another, there may be inconsistencies between the source and target systems.
  
  Solution:
  
  Check Field Definition: Go to transaction SE11 and check the definition of the POSITION field. Ensure that the data type, length, and other attributes are correctly defined.
  Review Table Structure: Ensure that the overall structure of the table is correct and that all fields are properly defined.
  Check for Dependencies: Look for any dependencies or constraints that might be affecting the activation. This includes checking for foreign key relationships and ensuring that all related tables are activated.
  Transport Consistency: If this error occurs during a transport, ensure that the transport request is complete and that all necessary objects are included. You may need to re-import the transport or check for missing objects.
  Activate in Sequence: If the table is part of a larger set of changes, try activating related objects in the correct sequence to ensure that dependencies are resolved.
  
  Related Information:
  
  Transaction Codes: Use SE11 (Data Dictionary) to check the table definition, SE14 (Database Utility) to check the database table, and SE10 (Transport Organizer) to manage transport requests.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Debugging: If the issue persists, consider using the ABAP debugger to trace the activation process and identify where the error occurs.
  
  If you continue to experience issues after following these steps, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.