How To Fix RSTRAN750 - Field &1 used in rule &2 does not exist in the source

SAP Error Message - Details

• Message type: E = Error

• Message class: RSTRAN - Messages for Transformation

• Message number: 750

• Message text: Field &1 used in rule &2 does not exist in the source

What causes this issue?

Field &V1&, which is used in a rule, no longer exists in the source.
However, it existed when the transformation was created.

System Response

The rule was marked as invalid and was deleted.

How to fix this error?

If you need the rule, insert the missing field in the source before
saving.

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 RSTRAN750 - Field &1 used in rule &2 does not exist in the source ?

  The SAP error message RSTRAN750 indicates that there is a problem with a transformation rule in the SAP BW (Business Warehouse) system. Specifically, it means that a field referenced in a transformation rule does not exist in the source data structure. This can occur during data extraction or transformation processes when the system tries to map fields from the source to the target but cannot find the specified field.
  Cause:
  
  Field Name Mismatch: The field name used in the transformation rule may have been changed or deleted in the source data structure (e.g., InfoSource, DataSource, or InfoObject).
  Incorrect Mapping: The transformation may be incorrectly configured, pointing to a field that does not exist in the source.
  DataSource Changes: If the DataSource has been modified (e.g., fields added or removed), the transformation rules may need to be updated accordingly.
  Transport Issues: If the transformation was transported from one system to another, there may be inconsistencies in the source structure between the systems.
  
  Solution:
  
  Check the Source Structure: Verify the source data structure (DataSource, InfoSource, etc.) to ensure that the field referenced in the transformation rule actually exists.
  Update Transformation Rules: If the field has been renamed or removed, update the transformation rules to reflect the current structure of the source data.
  Recreate the Transformation: If necessary, you can recreate the transformation to ensure that it correctly maps the existing fields.
  Transport Consistency: If the issue arose after a transport, check the source structure in both the source and target systems to ensure they are consistent.
  Testing: After making changes, test the data load process to ensure that the error is resolved and that data is being transformed correctly.
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like RSA1 (Data Warehousing Workbench) to access the transformation and check the mappings.
  Change Logs: Review change logs or documentation to see if any recent changes were made to the DataSource or InfoObject that could have caused the issue.
  SAP Notes: Check SAP Notes for any known issues or patches related to the specific version of SAP BW you are using.
  Debugging: If the issue persists, consider debugging the data load process to identify where the mapping fails.
  
  By following these steps, you should be able to identify the cause of the RSTRAN750 error and implement a solution to resolve it.