Identifier: validation error: Relation of type xx::yy does not exists in CMDB.Issue In Discovery Status > Discovery Log > there are error: Identifier: validation error: Relation of type xx::yy does not exists in CMDB. for example: Identifier: validation error: Relation of type Provided By::Providesdoes not exists in CMDB. Also discovery pattern fails at Payload Processing > error for step: Identification Engine Payload ErrorsResolutionPlease review cmdb_rel_type table, and make sure required relation type exists. Please note this is case-sensitive. For example, If Provided By::Provides is required, then Provided by::Provides will not work.