Message type: E = Error
Message class:  SV - View Maintenance: Customize Messages 
Message number: 749
Message text: Not all deletions can be made (see long text)
You have tried to delete one or more organizational criteria. Some of
them are still active in the following clients in your system:
&V1&
&V2&
&V3&
&V4&
The organizational criteria may still be being used in user roles or
authorizations in these clients.
Active organizational criteria cannot be deleted.
Log on to these clients. Start the IMG (transaction SPRO) and go to the
IMG activity <LS>SAP Web Application Server --> System Administration
--> Users and Authorizations --> Row Authorizations --> Activate
Organizational Criteria</>. Reset the <LS>Active</> flag for these
organizational criteria and save your change.
When you have done this in all the clients above, delete the
organizational criteria again.
Ensure that none of the organizational criteria to be deleted is still
used in authorizations.
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 SV749, which states "Not all deletions can be made (see long text)," typically occurs in the context of data deletion processes within the SAP system. This error can arise in various scenarios, such as when trying to delete entries from a database table, delete master data, or remove transactional data.
Cause: The error message SV749 indicates that there are constraints or dependencies preventing the complete deletion of certain entries. Common causes include: Foreign Key Constraints: The data you are trying to delete may be referenced by other tables or records, which prevents the deletion due to referential integrity rules. Data Locking: The records may be locked by another user or process, preventing deletion. Incomplete Deletion Criteria: The criteria specified for deletion may not be sufficient to identify all records that need to be deleted. Custom Logic: There may be custom validations or business logic implemented in user exits or BAdIs that prevent
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