Message type: E = Error
Message class:  CNV_OM_PRESEL - Messages for LT Object Based Preselection 
Message number: 223
Message text: No authorization to clear preselection tasks and data
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The SAP error message CNV_OM_PRESEL223 indicates that a user does not have the necessary authorization to clear preselection tasks and data in the context of a data migration or conversion process. This error typically arises in scenarios involving the SAP S/4HANA Migration Cockpit or other data migration tools.
Cause: The primary cause of this error is a lack of appropriate authorizations assigned to the user role that is attempting to perform the action. The specific authorization object that is usually involved in this context is related to the migration or conversion activities, which may include tasks such as clearing preselection tasks or managing data migration objects.
Solution: To resolve this error, you can take the following steps: Check User Authorizations: Verify the user’s roles and authorizations in the SAP system. You can do this by using transaction code SU01 to check the user profile. Look for roles that include authorization objects related to data migration, such as
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