21722: Add On JSON Schema Error.ERROR: 21722error-21722 page anchorERROR Error - 21722error---21722 page anchor Add On JSON Schema Error.add-on-json-schema-error page anchorThen JSON you provided for the Schema is invalid, or does not match the Add On Schema. Possible Solutionspossible-solutions page anchor Make sure your JSON is valid by putting it through a JSON validator online.