Internal Server Error

JsResultException(errors:List((/masks/page/definitions(1)/embed,List(ValidationError(error.path.missing,WrappedArray()))), (/masks/page/definitions(1)/slices(6)/widget,List(ValidationError(error.path.missing,WrappedArray()))), (/masks/page/definitions(1)/slices(6)/primary,List(ValidationError(error.path.missing,WrappedArray()))), (/masks/page/definitions(1)/color,List(ValidationError(error.path.missing,WrappedArray()))), (/masks/page/definitions(1)/date,List(ValidationError(error.path.missing,WrappedArray()))), (/masks/page/definitions(1)/slices(9)/primary,List(ValidationError(error.path.missing,WrappedArray()))), (/masks/page/definitions(1)/slices(2)/widget,List(ValidationError(error.path.missing,WrappedArray()))), (/masks/page/definitions(1)/slices(0)/primary,List(ValidationError(error.path.missing,WrappedArray()))), (/masks/page/definitions(1)/select,List(ValidationError(error.path.missing,WrappedArray()))), (/masks/page/definitions(1)/slices(8)/items,List(ValidationError(error.path.missing,WrappedArray()))), (/masks/page/definitions(1)/slices(6)/items,List(ValidationError(error.path.missing,WrappedArray()))), (/masks/page/definitions(1)/slices(5)/widget,List(ValidationError(error.path.missing,WrappedArray()))), (/masks/page/definitions(1)/slices(3)/widget,List(ValidationError(error.path.missing,WrappedArray()))), (/masks/page/definitions(1)/integrationFields,List(ValidationError(error.path.missing,WrappedArray()))), (/masks/page/definitions(1)/slices(2)/primary,List(ValidationError(error.path.missing,WrappedArray()))), (/masks/page/definitions(1)/number,List(ValidationError(error.path.missing,WrappedArray()))), (/masks/page/definitions(1)/slices(9)/widget,List(ValidationError(error.path.missing,WrappedArray()))), (/masks/page/definitions(1)/image,List(ValidationError(error.path.missing,WrappedArray()))), (/masks/page/definitions(1)/slices(7)/items,List(ValidationError(error.path.missing,WrappedArray()))), (/masks/page/definitions(1)/slices(0)/widget,List(ValidationError(error.path.missing,WrappedArray()))), (/masks/page/definitions(1)/slices(1)/items,List(ValidationError(error.path.missing,WrappedArray()))), (/masks/page/definitions(1)/slices(4)/primary,List(ValidationError(error.path.missing,WrappedArray()))), (/masks/page/definitions(1)/booleanField,List(ValidationError(error.path.missing,WrappedArray()))), (/masks/page/definitions(1)/slices(4)/items,List(ValidationError(error.path.missing,WrappedArray()))), (/masks/page/definitions(1)/config,List(ValidationError(error.path.missing,WrappedArray()), ValidationError(error.path.missing,WrappedArray()), ValidationError(error.path.missing,WrappedArray()), ValidationError(error.path.missing,WrappedArray()))), (/masks/page/definitions(1)/slices(7)/widget,List(ValidationError(error.path.missing,WrappedArray()))), (/masks/page/definitions(1)/slices(9)/items,List(ValidationError(error.path.missing,WrappedArray()))), (/masks/page/definitions(1)/slices(3)/primary,List(ValidationError(error.path.missing,WrappedArray()))), (/masks/page/definitions(1)/slices(8)/widget,List(ValidationError(error.path.missing,WrappedArray()))), (/masks/page/definitions(1)/slices(5)/primary,List(ValidationError(error.path.missing,WrappedArray()))), (/masks/page/definitions(1)/range,List(ValidationError(error.path.missing,WrappedArray()))), (/masks/page/definitions(1)/text,List(ValidationError(error.path.missing,WrappedArray()))), (/masks/page/definitions(1)/slices(8)/primary,List(ValidationError(error.path.missing,WrappedArray()))), (/masks/page/definitions(1)/slices(3)/items,List(ValidationError(error.path.missing,WrappedArray()))), (/masks/page/definitions(1)/link,List(ValidationError(error.path.missing,WrappedArray()))), (/masks/page/definitions(1)/slices(2)/items,List(ValidationError(error.path.missing,WrappedArray()))), (/masks/page/definitions(1)/slices(1)/primary,List(ValidationError(error.path.missing,WrappedArray()))), (/masks/page/definitions(1)/fields,List(ValidationError(error.path.missing,WrappedArray()))), (/masks/page/definitions(1)/geopoint,List(ValidationError(error.path.missing,WrappedArray()))), (/masks/page/definitions(1)/uid,List(ValidationError(error.path.missing,WrappedArray()))), (/masks/page/definitions(1)/slices(1)/widget,List(ValidationError(error.path.missing,WrappedArray()))), (/masks/page/definitions(1)/structuredtext,List(ValidationError(error.path.missing,WrappedArray()))), (/masks/page/definitions(1)/slices(7)/primary,List(ValidationError(error.path.missing,WrappedArray()))), (/masks/page/definitions(1)/slices(5)/items,List(ValidationError(error.path.missing,WrappedArray()))), (/masks/page/definitions(1)/timestamp,List(ValidationError(error.path.missing,WrappedArray()))), (/masks/page/definitions(1)/slices(4)/widget,List(ValidationError(error.path.missing,WrappedArray()))), (/masks/page/definitions(1)/slices(0)/items,List(ValidationError(error.path.missing,WrappedArray()))), (/masks/page/definitions(1)/separator,List(ValidationError(error.path.missing,WrappedArray())))))