How To Fix R8258 - The F4 type &3 of the field &1 of the DataSource &2 is not permitted

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 258

• Message text: The F4 type &3 of the field &1 of the DataSource &2 is not permitted

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 R8258 - The F4 type &3 of the field &1 of the DataSource &2 is not permitted ?

  The SAP error message R8258 indicates that there is a data type mismatch in the context of a DataSource. Specifically, it means that the field in question has a type that is not permitted for the operation you are trying to perform. Here’s a breakdown of the cause, potential solutions, and related information for this error:
  Cause:
  
  Data Type Mismatch: The field specified in the error message has a data type that is not compatible with the expected data type for the operation or transformation being performed.
  Field Configuration: The configuration of the DataSource may not align with the data types defined in the target system or the data model.
  Inconsistent Metadata: There may be inconsistencies between the metadata of the DataSource and the target structure where the data is being loaded.
  
  Solution:
  
  Check Data Types: Review the data types of the field in the DataSource and ensure they match the expected types in the target system. You can do this by checking the DataSource definition in the SAP BW system.
  Adjust DataSource Configuration: If the field type is incorrect, you may need to adjust the DataSource configuration. This could involve changing the field type in the DataSource or modifying the target structure to accept the field type.
  Update InfoObject: If the field is an InfoObject, ensure that the InfoObject is correctly defined with the appropriate data type.
  Re-activate DataSource: After making changes, you may need to re-activate the DataSource to ensure that the changes take effect.
  Check Transformation Rules: If you are using transformations, verify that the transformation rules are correctly defined and that they align with the data types of the source and target fields.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on handling data type issues.
  DataSource Documentation: Review the documentation for the specific DataSource you are working with to understand its expected field types and configurations.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Testing: After making changes, perform tests to ensure that the DataSource loads correctly without errors.
  
  By following these steps, you should be able to resolve the R8258 error and ensure that your DataSource is configured correctly for the data types involved.