Message type: E = Error
Message class:  CNV20330 - Message for package 20330 (object numbers) 
Message number: 010
Message text: Obj.type &1 (&2) not taken into account! Ref table=&3,instance=&4
The object type is not yet taken into account in the conversion routine
for object numbers!
The object type may contain information which is relevant for the
conversion.
Warning.
Check whether the instances of the object type contain information
which is relevant for the conversion, such as a company code.
Tables TBO00 and TBO01 contain information on the object type.
If the object type contains domains which are relevant for the
conversion, the respective conversion routine has to be adapted
accordingly!
Error message extract from SAP system. Copyright SAP SE.
The SAP error message CNV20330010 typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that a specific object type (identified by &1 and &2) is not being considered in the migration process, and it provides references to a table and instance that may be relevant to the issue.
Cause: Object Type Not Supported: The object type specified in the error message may not be supported for the migration process you are attempting.
Configuration Issues: There may be configuration issues in the migration settings that prevent the object from being processed. Data Inconsistencies: The data in the reference table (&3) or instance (&4) may have inconsistencies or issues that prevent it from being migrated. Missing Mapping: There may be a missing mapping for the object type in the migration project.
Solution: Check Object Type: Verify if the object type you are trying to
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
CNV20330008 CNV_00001_API returned error. Contact SAP for support
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV20330001 It was not possible to assign Parameter &1 properly
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV20330011 No mapping for DOMNAME=J_OBJNR necessary
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV20330012 &1 mapping entries for DOMNAME=J_OBJNR saved in CNVRENAME
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
Click on this link to search all SAP messages.