diff --git a/src/controllers/PermissionController.ts b/src/controllers/PermissionController.ts
index 3998013..d6778df 100644
--- a/src/controllers/PermissionController.ts
+++ b/src/controllers/PermissionController.ts
@@ -1,9 +1,9 @@
-import { Get, JsonController } from 'routing-controllers';
+import { Get, JsonController, OnUndefined, Param } from 'routing-controllers';
 import { OpenAPI, ResponseSchema } from 'routing-controllers-openapi';
 import { getConnectionManager, Repository } from 'typeorm';
+import { PermissionNotFoundError } from '../errors/PermissionErrors';
 import { Permission } from '../models/entities/Permission';
 import { ResponsePermission } from '../models/responses/ResponsePermission';
-import { ResponseRunnerTeam } from '../models/responses/ResponseRunnerTeam';
 
 
 @JsonController('/permissions')
@@ -19,8 +19,8 @@ export class PermissionController {
     }
 
     @Get()
-    @ResponseSchema(ResponseRunnerTeam, { isArray: true })
-    @OpenAPI({ description: 'Lists all runnerTeams.' })
+    @ResponseSchema(ResponsePermission, { isArray: true })
+    @OpenAPI({ description: 'Lists all permissions.' })
     async getAll() {
         let responsePermissions: ResponsePermission[] = new Array<ResponsePermission>();
         const permissions = await this.permissionController.find({ relations: ['principal'] });
@@ -30,18 +30,19 @@ export class PermissionController {
         return responsePermissions;
     }
 
-    /*
+
     @Get('/:id')
-    @ResponseSchema(ResponseRunnerTeam)
-    @ResponseSchema(RunnerTeamNotFoundError, { statusCode: 404 })
-    @OnUndefined(RunnerTeamNotFoundError)
-    @OpenAPI({ description: 'Returns a runnerTeam of a specified id (if it exists)' })
+    @ResponseSchema(ResponsePermission)
+    @ResponseSchema(PermissionNotFoundError, { statusCode: 404 })
+    @OnUndefined(PermissionNotFoundError)
+    @OpenAPI({ description: 'Returns a permissions of a specified id (if it exists)' })
     async getOne(@Param('id') id: number) {
-        let runnerTeam = await this.runnerTeamRepository.findOne({ id: id }, { relations: ['parentGroup', 'contact'] });
-        if (!runnerTeam) { throw new RunnerTeamNotFoundError(); }
-        return new ResponseRunnerTeam(runnerTeam);
+        let permission = await this.permissionController.findOne({ id: id }, { relations: ['principal'] });
+        if (!permission) { throw new PermissionNotFoundError(); }
+        return new ResponsePermission(permission);
     }
 
+    /*
     @Post()
     @ResponseSchema(ResponseRunnerTeam)
     @OpenAPI({ description: 'Create a new runnerTeam object (id will be generated automagicly).' })
@@ -58,7 +59,7 @@ export class PermissionController {
 
         return new ResponseRunnerTeam(runnerTeam);
     }
-
+    /*
     @Put('/:id')
     @ResponseSchema(ResponseRunnerTeam)
     @ResponseSchema(RunnerTeamNotFoundError, { statusCode: 404 })
diff --git a/src/errors/PermissionErrors.ts b/src/errors/PermissionErrors.ts
new file mode 100644
index 0000000..e53b143
--- /dev/null
+++ b/src/errors/PermissionErrors.ts
@@ -0,0 +1,25 @@
+import { IsString } from 'class-validator';
+import { NotAcceptableError, NotFoundError } from 'routing-controllers';
+
+/**
+ * Error to throw when a permission couldn't be found.
+ */
+export class PermissionNotFoundError extends NotFoundError {
+	@IsString()
+	name = "PermissionNotFoundError"
+
+	@IsString()
+	message = "Permission not found!"
+}
+
+/**
+ * Error to throw when two permission' ids don't match.
+ * Usually occurs when a user tries to change a permission's id.
+ */
+export class PermissionIdsNotMatchingError extends NotAcceptableError {
+	@IsString()
+	name = "PermissionIdsNotMatchingError"
+
+	@IsString()
+	message = "The id's don't match!! \n And if you wanted to change a permission's id: This isn't allowed"
+}
\ No newline at end of file
diff --git a/src/errors/PrincipalsErrors.ts b/src/errors/PrincipalsErrors.ts
new file mode 100644
index 0000000..73e9819
--- /dev/null
+++ b/src/errors/PrincipalsErrors.ts
@@ -0,0 +1,13 @@
+import { IsString } from 'class-validator';
+import { NotFoundError } from 'routing-controllers';
+
+/**
+ * Error to throw when a user couldn't be found.
+ */
+export class PrincipalNotFoundError extends NotFoundError {
+	@IsString()
+	name = "PrincipalNotFoundError"
+
+	@IsString()
+	message = "Principal not found!"
+}
\ No newline at end of file