Message type: E = Error
Message class:  LSO_WDUI_VISIBLE - Message Texts for Learning Solution Web Dynpro UI 
Message number: 019
Message text: Specification can only be changed by qualifications
You attempted to change the specification of a course prerequisite.
However, this function is only possible for prerequisite qualifications.
If attending another course is required to participate this course, it
is not possible to enter any specifications for this prerequisite.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message LSO_WDUI_VISIBLE019 typically occurs in the context of SAP Learning Solution (LSO) when there is an attempt to change a specification (like a course or learning event) that is restricted by qualifications. This means that the system is enforcing rules that prevent changes to certain specifications unless specific qualifications are met.
Cause: The error is triggered when: A user tries to modify a specification of a learning object (like a course) that is linked to certain qualifications. The current user does not have the necessary permissions or qualifications to make the changes. The system is designed to ensure that only qualified personnel can make changes to sensitive or critical specifications.
Solution: To resolve this error, consider the following steps: Check User Qualifications: Ensure that the user attempting to make the changes has the necessary qualifications. This may involve checking user roles and authorizations in the SAP system. Review Specifications: Look at the specifications of the learning
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