Message type: E = Error
Message class:  CNV_CMIS_M - Message class for CMIS Migration 
Message number: 212
Message text: More than one mapping entry cannot be created for routine with &1
You cannot create more lines because an entry  already exists. In the
case of domains of LOGSYS and MANDT, more than one entry is not allowed.
The system does not create a new line.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message CNV_CMIS_M212 indicates that there is an issue with the mapping entries in a conversion routine. Specifically, it states that more than one mapping entry cannot be created for a routine identified by &1. This typically occurs during data migration or conversion processes, particularly when using the SAP Conversion Management (CM) tools.
Cause: The error is usually caused by one of the following reasons: Duplicate Mapping Entries: There are multiple entries in the mapping table for the same routine, which is not allowed. Incorrect Configuration: The configuration of the mapping routine may not be set up correctly, leading to conflicts. Data Integrity Issues: The source data may have inconsistencies that result in multiple mappings being created for the same target.
Solution: To resolve this error, you can take the following steps: Check Mapping Entries: Review the mapping entries for the routine specified by &1. Ensure that there are no duplicate entries for the same source and
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