Message type: E = Error
Message class:  LSO_CORRESPONDENCE - Correspondence Messages 
Message number: 016
Message text: Recipient role is blank
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The SAP error message LSO_CORRESPONDENCE016 indicates that the recipient role is blank in the context of Learning Solution (LSO) correspondence. This error typically arises when the system is trying to generate correspondence (like notifications or confirmations) for a learning event, but it cannot find a valid recipient role for the correspondence.
Cause: Missing Recipient Role: The recipient role for the correspondence is not defined or is left blank in the configuration. Incorrect Configuration: The configuration settings for the correspondence type may not be set up correctly, leading to the absence of a recipient role. Data Issues: The user or participant data may be incomplete or incorrectly maintained, leading to the absence of a valid recipient role.
Solution: Check Configuration: Go to the configuration settings for the correspondence type in the SAP system. Ensure that the recipient role is defined correctly. You can do this by navigating to the relevant transaction codes (like SPRO) and checking the settings under
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