Message type: E = Error
Message class:  CNV_CMIS_G - CMIS: general messages 
Message number: 083
Message text: You do not have authorization to change table &1.
You do not have sufficient authorization for object S_TABU_DIS with
ACTVT = 02.
The operation was interrupted.
Get your user administrator to give you the appropriate authorization
for S_TABU_DIS, including ACTVT = 02.
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_CMIS_G083 indicates that a user does not have the necessary authorization to change a specific table in the SAP system. This error typically arises during data migration or conversion processes, particularly when using the SAP Conversion Tools or during the execution of certain programs that require access to specific database tables.
Cause: Authorization Issues: The user executing the transaction or program does not have the required authorizations to modify the specified table. Role Assignment: The user may not have the appropriate roles assigned that include the necessary permissions for the table in question. Table Locking: The table might be locked by another process, although this is less common for authorization-related errors.
Solution: Check User Authorizations: Use transaction code SU53 immediately after the error occurs to check the authorization check failure. This will show which specific authorization object is missing. Review the user’s roles and profiles in transaction SU01 or PFCG to ensure that the
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
CNV_CMIS_G082 You do not have authorization to execute the report.
What causes this issue?  You do not have sufficient authorization for object S_DMIS with ACTVT = 02.System Response  The operation was interrupted.How...
CNV_CMIS_G081 You do not have change access in the transaction CNV_CMIS_BACKUP.
What causes this issue?  You do not have sufficient authorization for object S_DMIS with ACTVT = 02.System Response  The operation was interrupted.How...
CNV_CMIS_G084 Invalid table name: &1
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_CMIS_G085 No data selected for compare. Please check.
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.