Message type: E = Error
Message class:  LSO_CORRESPONDENCE - Correspondence Messages 
Message number: 003
Message text: Recipient &1 could not be found
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The SAP error message LSO_CORRESPONDENCE003 indicates that the system could not find a recipient for a correspondence in the Learning Solution (LSO) module. This error typically occurs when trying to send notifications or correspondence related to learning events, such as course invitations or reminders.
Cause: Missing Recipient Data: The recipient (e.g., a learner or instructor) may not be properly defined in the system. This could be due to missing or incorrect data in the user master record. Inactive User: The user might be inactive or not assigned to the relevant organizational unit or course. Incorrect Configuration: There may be issues with the configuration of the correspondence settings in the LSO module. Authorization Issues: The user attempting to send the correspondence may not have the necessary authorizations to access the recipient's data.
Solution: Check User Master Data: Go to transaction code SU01 and check the user master record for the recipient. Ensure that the user exists and is active. Verify
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