Message type: E = Error
Message class:  CNV - Conversion: Messages for Conversion Services (CNCC) 
Message number: 148
Message text: INDX table & converted as transp. table at invalid time point
The table &V1& is marked to be converted as an INDX table and as a
transparent table. Such conversion is possible but the sequential number
must be different in both cases (these conversion programs must not run
at the same time).
Status is set to 'Error'.
Correct the settings. If &V1& is an SAP standard table contact SAP for
support.
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 CNV148 typically relates to issues encountered during data migration or conversion processes, particularly when dealing with the conversion of index tables to transparent tables. This error indicates that the system is trying to convert an index table at an invalid time point, which can lead to inconsistencies or errors in the data migration process.
Cause: Timing of Conversion: The error often arises when the conversion of the index table is attempted at a point in time that is not allowed or expected by the system. This could be due to the sequence of operations in the migration process being incorrect. Data Integrity Issues: If there are existing dependencies or relationships that are not properly handled before the conversion, it can lead to this error.
Configuration Issues: Incorrect configuration settings in the migration tools or processes can also trigger this error.
Solution: Check Migration Sequence: Ensure that the conversion of the index table
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