How To Fix R8427 - The extractor cannot fill field &2 of the extract structure &1

SAP Error Message - Details

• Message type: E = Error

• Message class: R8 - Messages from the meta data generation

• Message number: 427

• Message text: The extractor cannot fill field &2 of the extract structure &1

What causes this issue?

The view specified for extraction cannot fill field &v2&. A field in
the extract structure, that is not filled automatically, must be in an
append. This field must be filled in the customer exit. This is
reserved for customers.

System Response

The DataSource cannot be saved like this.

How to fix this error?

Remove the field from the extract structure, or use a different view as
an extractor.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message R8427 - The extractor cannot fill field &2 of the extract structure &1 ?

  The SAP error message R8427 indicates that there is an issue with the data extraction process, specifically that the extractor is unable to fill a certain field in the extract structure. This can occur for various reasons, and understanding the cause is essential for finding a solution.
  Causes:
  
  
  Field Mapping Issues: The field in the extract structure may not be correctly mapped to the source data. This can happen if the field is not available in the source or if there are discrepancies in data types.
  
  
  Data Type Mismatch: The data type of the source field may not match the expected data type of the target field in the extract structure.
  
  
  Missing Data: The source data may not contain any values for the field in question, leading to the extractor being unable to fill it.
  
  
  Authorization Issues: The user or process executing the extraction may not have the necessary authorizations to access the data required for that field.
  
  
  Custom Enhancements: If there are custom enhancements or modifications in the extractor or the data model, they may interfere with the data extraction process.
  
  
  Technical Issues: There may be technical issues with the extractor itself, such as bugs or configuration problems.
  
  
  Solutions:
  
  
  Check Field Mapping: Verify that the field in the extract structure is correctly mapped to the corresponding field in the source data. Ensure that the field exists and is correctly defined.
  
  
  Data Type Verification: Ensure that the data types of the source field and the target field in the extract structure are compatible. If there is a mismatch, you may need to adjust the data types accordingly.
  
  
  Data Availability: Check the source data to ensure that it contains values for the field in question. If the data is missing, you may need to investigate why it is not being populated.
  
  
  Authorization Check: Ensure that the user or process executing the extraction has the necessary authorizations to access the required data.
  
  
  Review Enhancements: If there are any custom enhancements or modifications, review them to ensure they are not causing the issue. You may need to debug the extractor to identify any problems.
  
  
  Technical Support: If the issue persists, consider reaching out to SAP support or consulting the SAP community for assistance. There may be known issues or patches available for the extractor.
  
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like RSA3 (Data Extraction Test) to test the extractor and see if it works correctly.
  SAP Notes: Check for relevant SAP Notes that may address this specific error message or provide guidance on similar issues.
  Documentation: Review the documentation for the specific extractor you are using to understand its requirements and limitations.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.