How To Fix CNV_PE877 - Access path for parameter &1 is inconsistent

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE - General messages for posting engine

• Message number: 877

• Message text: Access path for parameter &1 is inconsistent

What causes this issue?

Access path information for transfer method parameter &V1& (ID &V2&) is
inconsistent. The root cause of this inconsistency is the reference to a
data model parameter that is <ZH>not </>available anymore (deleted, set
to inactive or read-only).

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 CNV_PE877 - Access path for parameter &1 is inconsistent ?

  The SAP error message "CNV_PE877 Access path for parameter &1 is inconsistent" typically occurs in the context of data migration or conversion processes, particularly when using the SAP Landscape Transformation (SLT) or other data migration tools. This error indicates that there is an inconsistency in the access path for a specific parameter, which can hinder the data migration process.
  Cause:
  
  Inconsistent Configuration: The access path for the specified parameter may not be correctly configured in the system. This could be due to changes in the underlying data model or configuration settings that have not been properly updated.
  Missing or Incorrect Data: The parameter might reference data that is missing or incorrectly defined in the system.
  Transport Issues: If the configuration was transported from one system to another, there might be inconsistencies due to missing objects or dependencies.
  Version Mismatch: If there are different versions of the software components involved, it could lead to inconsistencies in how parameters are accessed.
  
  Solution:
  
  Check Configuration: Review the configuration settings for the parameter in question. Ensure that all necessary settings are correctly defined and consistent with the expected data model.
  Validate Data: Ensure that the data referenced by the parameter exists and is correctly defined. This may involve checking database tables or other data sources.
  Recreate Access Path: If the access path is corrupted or inconsistent, you may need to recreate it. This can often be done through the relevant transaction codes or configuration screens in SAP.
  Transport Consistency: If the issue arose after a transport, check the transport logs and ensure that all necessary objects were included and correctly transported.
  Consult Documentation: Refer to SAP documentation or notes related to the specific migration tool or process you are using. There may be specific guidelines or patches available to address this issue.
  SAP Support: If the issue persists, consider reaching out to SAP support for assistance. They may provide specific notes or patches that address this error.
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may need to use specific transaction codes (like SE11 for data dictionary, SE80 for object navigator, etc.) to investigate the issue further.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error message or provide guidance on troubleshooting.
  Community Forums: Check SAP Community forums or other user groups for similar issues and solutions shared by other users.
  
  By following these steps, you should be able to identify and resolve the inconsistency causing the CNV_PE877 error message.