diff --git a/src/errors/CreateUserErrors.ts b/src/errors/CreateUserErrors.ts
deleted file mode 100644
index 3b28735..0000000
--- a/src/errors/CreateUserErrors.ts
+++ /dev/null
@@ -1,24 +0,0 @@
-import { NotFoundError } from 'routing-controllers';
-import { IsString } from 'class-validator';
-
-/**
- * Error to throw when a usergroup couldn't be found.
- */
-export class UserGroupNotFoundError extends NotFoundError {
-	@IsString()
-	name = "UserGroupNotFoundError"
-
-	@IsString()
-	message = "User Group not found!"
-}
-
-/**
- * Error to throw when no username or email is set
- */
-export class UsernameOrEmailNeededError extends NotFoundError {
-	@IsString()
-	name = "UsernameOrEmailNeededError"
-
-	@IsString()
-	message = "no username or email is set!"
-}
diff --git a/src/errors/UserErrors.ts b/src/errors/UserErrors.ts
new file mode 100644
index 0000000..4c9e98b
--- /dev/null
+++ b/src/errors/UserErrors.ts
@@ -0,0 +1,47 @@
+import { IsString } from 'class-validator';
+import { NotAcceptableError, NotFoundError } from 'routing-controllers';
+
+/**
+ * Error to throw when a usergroup couldn't be found.
+ */
+export class UserGroupNotFoundError extends NotFoundError {
+	@IsString()
+	name = "UserGroupNotFoundError"
+
+	@IsString()
+	message = "User Group not found!"
+}
+
+/**
+ * Error to throw when no username or email is set
+ */
+export class UsernameOrEmailNeededError extends NotFoundError {
+	@IsString()
+	name = "UsernameOrEmailNeededError"
+
+	@IsString()
+	message = "no username or email is set!"
+}
+
+/**
+ * Error to throw when a user couldn't be found.
+ */
+export class UserNotFoundError extends NotFoundError {
+	@IsString()
+	name = "UserNotFoundError"
+
+	@IsString()
+	message = "User not found!"
+}
+
+/**
+ * Error to throw when two users' ids don't match.
+ * Usually occurs when a user tries to change a user's id.
+ */
+export class UserIdsNotMatchingError extends NotAcceptableError {
+	@IsString()
+	name = "UserIdsNotMatchingError"
+
+	@IsString()
+	message = "The id's don't match!! \n And if you wanted to change a user's id: This isn't allowed"
+}
\ No newline at end of file