Message type: E = Error
Message class:  SDDIC_DDLA_ANNOCHECK - Messages for annotation usage check 
Message number: 022
Message text: No annotation value assigned but definition does not have a default
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The SAP error message SDDIC_DDLA_ANNOCHECK022 indicates that there is an issue with annotations in your ABAP Dictionary. Specifically, it means that an annotation value is expected but has not been assigned, and the definition does not provide a default value. This can occur in various contexts, such as when working with CDS views, OData services, or other data definitions that utilize annotations. Cause The error typically arises due to one of the following reasons: Missing Annotation Value: An annotation that requires a value has not been provided in the definition. No Default Value: The definition of the annotation does not include a default value, which means that the system cannot automatically assign a value. Incorrect Configuration: There may be a misconfiguration in the data model or the way annotations are defined. Solution To resolve this error, you can take the following steps: Check the Annotation Definition: Review the definition of the annotation in your ABAP Dictionary or CDS view.
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