This issue was reported in Bugzilla tool by Frank Bryden in 24/08/2020, as follows: [Bug 260] NsdInfoModifications: userDefinedData KeyValuePairs of wrong type The NsdInfoModifications datatype contains a section for showing modified userDefinedData. According to SOL005, this is of type KeyValuePairs. No issue there. The OpenAPI specifies the latter datatype to be an array, when SOL013 specifies it must be an object (7.1.5 @ SOL0013v2.7.1).