Now throwing errors even faster

ref #13

src/controllers/RunnerController.ts

@@ -84,6 +84,7 @@ export class RunnerController {
 	@ResponseSchema(RunnerNotFoundError, { statusCode: 404 })
 	@OpenAPI({ description: 'Delete a specified runner (if it exists).' })
 	async remove(@EntityFromParam('id') runner: Runner, @QueryParam("force") force: boolean) {
+		if (!runner) { throw new RunnerNotFoundError(); }
 		const responseRunner = await this.runnerRepository.findOne(runner, { relations: ['scans', 'group'] });
 
 		if (!runner) {