How To Fix 9P551 - Cannot merge different types of extracts

SAP Error Message - Details

• Message type: E = Error

• Message class: 9P - Russia and Ukraine class messages for development

• Message number: 551

• Message text: Cannot merge different types of extracts

What causes this issue?

You are trying to merge extracts with different kinds of data, for
example:
An extract that contains original VAT Return data and an extract that
contains corrective VAT Return data
An extract that contains VAT Return data and an extract that contains
Ledger data

System Response

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

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 9P551 - Cannot merge different types of extracts ?

  The SAP error message 9P551: "Cannot merge different types of extracts" typically occurs when there is an attempt to merge or combine data extracts that are of different types or formats. This can happen in various contexts, such as when working with data extraction tools, reports, or data processing functions within SAP.
  Causes:
  
  Different Data Types: The extracts being merged may come from different sources or have different data types (e.g., one extract is a summary and another is detailed).
  Incompatible Structures: The structure of the data extracts may not match, such as differing field names, data types, or lengths.
  Incorrect Configuration: The configuration settings for the data extraction or merging process may not be set up correctly, leading to incompatible extracts.
  Version Mismatch: If the extracts are generated from different versions of the same data model, they may not be compatible for merging.
  
  Solutions:
  
  Check Data Types: Ensure that the extracts you are trying to merge are of the same data type. If they are not, you may need to convert them to a common type before merging.
  Align Structures: Make sure that the structure of the extracts is compatible. This may involve renaming fields, changing data types, or ensuring that the number of fields matches.
  Review Configuration: Check the configuration settings for the extraction process to ensure that they are set up correctly and consistently across all extracts.
  Use Compatible Extracts: If possible, use extracts that are generated from the same source and have the same structure and data types.
  Data Transformation: If necessary, perform data transformation on one or more extracts to ensure compatibility before attempting to merge them.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for the specific module or tool you are using to understand the requirements for merging extracts.
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and what solutions they have found.
  Debugging Tools: Utilize SAP debugging tools to trace the process and identify where the incompatibility arises.
  Consult with Experts: If the issue persists, consider consulting with an SAP expert or a technical consultant who can provide insights based on your specific scenario.
  
  By addressing the underlying causes and ensuring compatibility between the extracts, you should be able to resolve the error message 9P551.