Message type: E = Error
Message class:  LSO_CORRESPONDENCE - Correspondence Messages 
Message number: 019
Message text: Notification group &1 could not be determined
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The SAP error message LSO_CORRESPONDENCE019 indicates that the system was unable to determine the notification group for a specific correspondence in the Learning Solution (LSO) module. This can occur in various scenarios, such as when trying to send notifications or correspondence related to training events, courses, or other learning activities. Cause The error can be caused by several factors, including: Missing Configuration: The notification group may not be configured correctly in the system. This could be due to missing entries in the relevant customizing settings. Incorrect Master Data: The master data for the course, event, or user may not be set up properly, leading to the inability to determine the notification group. Authorization Issues: The user may not have the necessary authorizations to access the notification group or related data. System Bugs or Inconsistencies: There may be bugs or inconsistencies in the system that prevent the proper determination of the notification group. Solution To resolve the error, you
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