Doc 3, Line 20, System[content-management-3] must have required property apiVersion.

Doc 4, Line 28, System[content-management-4]/apiVersion value cannot be empty and must be one of the allowed values: backstage.io/v1alpha1, backstage.io/v1beta1

Doc 5, Line 35, System[content-management-5]/apiVersion value invalid.version.io/v5 is not one of the allowed values: backstage.io/v1alpha1, backstage.io/v1beta1

Doc 6, Line 43, UnknownKind[content-management-6] must have required property kind.

Doc 7, Line 53, UnknownKind[content-management-7]/kind value cannot be empty and must be one of the allowed values: API, Component, Domain, Resource, System

Doc 8, Line 60, Thing[content-management-8]/kind value Thing is not one of the allowed values: API, Component, Domain, Resource, System

Doc 9, Line 67, System[Doc9] must have required property metadata.

Doc 10, Line 78, System[Doc10]/metadata is an object that cannot be empty. The metadata object requires a name property.

Doc 11, Line 85, System[Doc11]/metadata/name is a string that cannot be empty. It should be populated or be removed completely if not required.

Doc 12, Line 94, System[content-management-12]/metadata/title cannot be empty if provided.

Doc #3 is invalid

Doc #4 is invalid

Doc #5 is invalid

Doc #6 is invalid

Doc #7 is invalid

Doc #8 is invalid

Doc #9 is invalid

Doc #10 is invalid

Doc #11 is invalid