How To Fix CNV21500036 - Unable to extract structure of RELID <&1,&2> from dictionary

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV21500 - Messages for HR conversions basis

• Message number: 036

• Message text: Unable to extract structure of RELID <&1,&2> from dictionary

What causes this issue?

It was unable to extract structure of cluster RELID <&v1&, &v2&>
from DDIC. This shouldn't happen because, in principle, RELID's
structure is only extracted from dictionary when it was earlier
determined, that the structure is defined in DDIC. Generally this can
only happen when there are some inconsistencies of DDIC definitions of
structures from T52RELID table.

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 CNV21500036 - Unable to extract structure of RELID <&1,&2> from dictionary ?

  The SAP error message CNV21500036 indicates that the system is unable to extract the structure of a specific RELID (which typically refers to a relational ID or a specific data structure) from the dictionary. This error often occurs during data migration or conversion processes, particularly when using SAP's data migration tools.
  Causes:
  
  Missing or Incomplete Data Dictionary Entries: The specified RELID may not exist in the data dictionary, or it may be incomplete or incorrectly defined.
  Authorization Issues: The user executing the operation may not have the necessary authorizations to access the data dictionary entries.
  Incorrect Configuration: There may be configuration issues in the migration tool or the specific settings related to the data extraction process.
  Transport Issues: If the relevant data structures were transported from another system, there may have been issues during the transport process that led to missing components.
  Version Compatibility: The version of the migration tool or the SAP system may not be compatible with the data structures being referenced.
  
  Solutions:
  
  Check Data Dictionary: Verify that the RELID specified in the error message exists in the data dictionary. You can do this by using transaction codes like SE11 (Data Dictionary) to check the structure.
  Review Authorizations: Ensure that the user has the necessary authorizations to access the data dictionary and perform the extraction.
  Configuration Review: Review the configuration settings of the migration tool to ensure that everything is set up correctly.
  Transport Check: If the data structures were transported, check the transport logs for any errors or issues that may have occurred during the transport.
  System Compatibility: Ensure that the version of the migration tool is compatible with the SAP system version you are using. If necessary, update the tool or the system.
  Consult SAP Notes: Look for relevant SAP Notes that may address this specific error. SAP frequently releases notes that provide solutions or workarounds for known issues.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SE11 (Data Dictionary), SE80 (Object Navigator), and ST22 (Dump Analysis) to help diagnose the issue.
  SAP Community: Engage with the SAP Community or forums where other users may have encountered similar issues and can provide insights or solutions.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, especially if you have a support contract.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.