diff --git a/src/errors/RunnerErrors.ts b/src/errors/RunnerErrors.ts
index c725c03..0be6419 100644
--- a/src/errors/RunnerErrors.ts
+++ b/src/errors/RunnerErrors.ts
@@ -24,4 +24,29 @@ export class RunnerIdsNotMatchingError extends NotAcceptableError {
 
 	@IsString()
 	message = "The id's don't match!! \n And if you wanted to change a runner's id: This isn't allowed"
+}
+
+export class RunnerOnlyOneGroupAllowedError extends NotAcceptableError {
+	@IsString()
+	name = "RunnerOnlyOneGroupAllowedError"
+
+	@IsString()
+	message = "Runner's can only be part of one group (team or organisiation)! \n You provided an id for both."
+}
+
+export class RunnerGroupNeededError extends NotAcceptableError {
+	@IsString()
+	name = "RunnerGroupNeededError"
+
+	@IsString()
+	message = "Runner's need to be part of one group (team or organisiation)! \n You provided neither."
+}
+
+
+export class RunnerGroupNotFoundError extends NotFoundError {
+	@IsString()
+	name = "RunnerGroupNotFoundError"
+
+	@IsString()
+	message = "The group you provided couldn't be located in the system. \n Please check your request."
 }
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