Message type: E = Error
Message class:  RLFW - Messages for runlevel framework 
Message number: 304
Message text: Online Import phase cannot be changed due to missing authorization.
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The SAP error message RLFW304 indicates that a user is attempting to change the Online Import phase of a process but lacks the necessary authorizations to do so. This error typically occurs in the context of data import processes, such as during the migration of data or when using tools like SAP Landscape Transformation (SLT) or SAP Data Services.
Cause: The primary cause of this error is insufficient authorization for the user trying to perform the action. The user may not have the required roles or permissions assigned to their user profile in SAP to change the Online Import phase.
Solution: To resolve the RLFW304 error, follow these steps: Check User Authorizations: Verify the user's roles and authorizations in the SAP system. This can be done by using transaction code SU01 to check the user profile. Ensure that the user has the necessary authorizations related to the specific data import process they are trying to execute. Assign Missing
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