message: fix(utils): apply grammar change to error message
diff: @@ -460,7 +460,7 @@ export function mapOptions(
  OptionsCTOR = (mongoose as any).Schema.Types.Embedded.prototype.OptionsConstructor;
  }
  - assertion(!isNullOrUndefined(OptionsCTOR), new TypeError(`Type does not have an valid "OptionsConstructor"! (${getName(loggerType)} on ${getName(target)}.${pkey}) [E016]`));
  + assertion(!isNullOrUndefined(OptionsCTOR), new TypeError(`Type does not have a valid "OptionsConstructor"! (${getName(loggerType)} on ${getName(target)}.${pkey}) [E016]`));
  const options = Object.assign({}, rawOptions); // for sanity
  delete options.items;
  