Message type: E = Error
Message class:  CNV_10940_MSG - Message Class for Report Variant Scan 
Message number: 029
Message text: Report variant(s) using constant variables from table TVARVC
Report variants using constant variables from table TVARVC
These constant variables stored in table TVARVC can be used by
SELECT-OPTIONS or PARAMETERS of various reports in the system.
If these constant variables of table TVARVC are required to be adjusted,
please adjust them manually.
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 CNV_10940_MSG029 typically indicates an issue related to report variants that are using constant variables from the table TVARVC. This error is often encountered during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools.
Cause: The error arises when: Missing or Incorrect Constants: The report variants are referencing constant variables that are either missing or incorrectly defined in the TVARVC table. Inconsistent Data: There may be inconsistencies in the data or configuration that prevent the system from correctly interpreting the report variants. Authorization Issues: The user executing the report may not have the necessary authorizations to access the required data or execute the report with the specified variants.
Solution: To resolve the error, you can take the following steps: Check TVARVC Entries: Go to transaction SE16N or SE11 and view the contents of the table TVARVC. Ensure that the constant variables referenced in the report variants exist and
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