Message type: E = Error
Message class:  LSOPV - Training Management (Copy of Message Class PV) 
Message number: 570
Message text: Select a course type to display participants to be rebooked
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The SAP error message LSOPV570 ("Select a course type to display participants to be rebooked") typically occurs in the context of SAP Learning Solution (LSO) when you are trying to manage participants for a course but have not specified a course type. This can happen when you are attempting to rebook participants for a training event or course.
Cause:
The error is caused by the absence of a selected course type in the transaction or screen you are using. The system requires a specific course type to filter and display the relevant participants who need to be rebooked.
Solution:
To resolve this error, follow these steps:
Select a Course Type: 
Navigate to the screen where you are trying to rebook participants.
Look for a dropdown or selection field labeled "Course Type" or similar.
Choose the appropriate course type from the list. This will typically be a predefined category of training or courses in your organization.
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