Message type: E = Error
Message class:  CNV20600 - message class for package 20600 
Message number: 029
Message text: Case &1, method &2 with SY-SUBRC=&3
Case &V1&
Method &V2& with SY-SUBRC=&V3&
Details: &V4&
Error
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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.
The SAP error message CNV20600029 typically relates to issues encountered during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. The message format indicates that there is a problem with a specific case and method, along with a return code (SY-SUBRC) that provides additional context about the error.
Cause: The error message CNV20600029 can be caused by several factors, including but not limited to: Data Inconsistencies: The data being migrated may have inconsistencies or invalid entries that do not meet the required format or constraints in the target system.
Configuration Issues: There may be configuration settings in the migration tool or the target system that are not properly set up. Missing Dependencies: Required objects, such as tables or fields, may be missing in the target system. Authorization Issues: The user executing the migration may not have the necessary authorizations to perform the operation. Technical Errors: There could be bugs or
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