How To Fix DDU304 - Table & sources written

SAP Error Message - Details

• Message type: E = Error

• Message class: DDU - Dictionary Tools 5.0

• Message number: 304

• Message text: Table & sources written

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message DDU304 - Table & sources written ?

  The SAP error message DDU304 typically indicates an issue related to the data transfer process, specifically when dealing with the Data Transfer Workbench (DTW) or similar data import/export functionalities. The message "Table & sources written" suggests that there is a problem with the data being written to a specific table, which could be due to various reasons.
  Possible Causes:
  
  Data Format Issues: The data being imported may not match the expected format or structure of the target table.
  Missing Required Fields: Required fields in the target table may not be populated in the source data.
  Data Integrity Violations: The data being written may violate integrity constraints, such as primary key or foreign key constraints.
  Authorization Issues: The user performing the data transfer may not have the necessary authorizations to write to the target table.
  Technical Errors: There could be underlying technical issues, such as database locks or connectivity problems.
  
  Solutions:
  
  Check Data Format: Ensure that the data being imported matches the expected format for the target table. Validate the data types and lengths.
  Validate Required Fields: Review the target table's structure and ensure that all required fields are populated in the source data.
  Review Data Integrity: Check for any integrity constraints that may be violated by the incoming data. This may involve checking for duplicate entries or ensuring that foreign key references are valid.
  User Authorizations: Verify that the user has the necessary permissions to perform the data write operation. This may involve checking roles and authorizations in SAP.
  Check Logs: Review any logs or detailed error messages that may provide more context about the failure. This can often be found in the application log (transaction SLG1).
  Test with Sample Data: If possible, test the data transfer with a smaller set of data to isolate the issue.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11 (Data Dictionary), SE37 (Function Builder), and SLG1 (Application Log) for troubleshooting.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message or provide additional troubleshooting steps.
  Documentation: Review the documentation for the Data Transfer Workbench or any specific tools you are using for data import/export to ensure compliance with best practices.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or technical team for further investigation.