diff --git a/src/api/auth/register.rs b/src/api/auth/register.rs
index 3c7d3e7..191480f 100644
--- a/src/api/auth/register.rs
+++ b/src/api/auth/register.rs
@@ -1,11 +1,11 @@
 pub mod register {
     use reqwest::Client;
-    use serde_json::{from_str, json};
+    use serde_json::{from_str, json, Value};
 
     use crate::{
         api::{
             limits::LimitType,
-            schemas::schemas::{ErrorBody, RegisterSchema},
+            schemas::schemas::{ErrorResponse, RegisterSchema},
         },
         errors::InstanceServerError,
         instance::{Instance, Token},
@@ -39,19 +39,19 @@ pub mod register {
             let status = response_unwrap.status();
             let response_text_string = response_unwrap.text().await.unwrap();
             if status.is_client_error() {
-                let error: ErrorBody = from_str(&response_text_string).unwrap();
-                return Err(InstanceServerError::InvalidFormBodyError {
-                    error: error.errors.errors.iter().next().unwrap().code.clone(),
-                });
+                let json: ErrorResponse = serde_json::from_str(&response_text_string).unwrap();
+                let error_type = json.errors.errors.iter().next().unwrap().0.to_owned();
+                let mut error = "".to_string();
+                for (_, value) in json.errors.errors.iter() {
+                    for error_item in value._errors.iter() {
+                        error += &(error_item.message.to_string() + " (" + &error_item.code + ")");
+                    }
+                }
+                return Err(InstanceServerError::InvalidFormBodyError { error_type, error });
             }
             return Ok(Token {
                 token: response_text_string,
             });
-
-            /*
-            Things to do:
-            Check out the serde error. Maybe make a seperate project to find out how flatten works
-             */
         }
     }
 }
@@ -59,9 +59,43 @@ pub mod register {
 #[cfg(test)]
 mod test {
     use crate::api::schemas::schemas::RegisterSchema;
+    use crate::errors::InstanceServerError;
     use crate::instance::Instance;
     use crate::limit::LimitedRequester;
     use crate::URLBundle;
+    #[tokio::test]
+    async fn test_incomplete_registration() {
+        let urls = URLBundle::new(
+            "http://localhost:3001/api".to_string(),
+            "http://localhost:3001".to_string(),
+            "http://localhost:3001".to_string(),
+        );
+        let limited_requester = LimitedRequester::new(urls.get_api().to_string()).await;
+        let mut test_instance = Instance::new(urls.clone(), limited_requester)
+            .await
+            .unwrap();
+        let reg = RegisterSchema::new(
+            "aaa".to_string(),
+            None,
+            true,
+            Some("me@mail.xy".to_string()),
+            None,
+            None,
+            None,
+            None,
+            None,
+            None,
+        )
+        .unwrap();
+        assert_eq!(
+            InstanceServerError::InvalidFormBodyError {
+                error_type: "date_of_birth".to_string(),
+                error: "This field is required (BASE_TYPE_REQUIRED)".to_string()
+            },
+            test_instance.register(&reg).await.err().unwrap()
+        );
+    }
+
     #[tokio::test]
     async fn test_registration() {
         let urls = URLBundle::new(
@@ -74,18 +108,19 @@ mod test {
             .await
             .unwrap();
         let reg = RegisterSchema::new(
-            "Test".to_string(),
-            None,
+            "Hiiii".to_string(),
+            Some("mysupersecurepass123!".to_string()),
             true,
-            Some("me@mail.xy".to_string()),
-            None,
+            Some("flori@mail.xyz".to_string()),
             None,
             None,
+            Some("2000-01-01".to_string()),
             None,
             None,
             None,
         )
         .unwrap();
-        println!("{}", test_instance.register(&reg).await.unwrap());
+        let token = test_instance.register(&reg).await.unwrap().token;
+        println!("{}", token);
     }
 }
diff --git a/src/api/schemas.rs b/src/api/schemas.rs
index 2c53d83..e0a770d 100644
--- a/src/api/schemas.rs
+++ b/src/api/schemas.rs
@@ -151,19 +151,26 @@ pub mod schemas {
         }
     }
 
-    #[derive(Debug, Serialize, Deserialize)]
-    pub struct ErrorBody {
-        code: i32,
+    #[derive(Serialize, Deserialize, Debug)]
+    pub struct ErrorResponse {
+        pub code: i32,
         pub message: String,
-        pub errors: ErrorObject,
+        pub errors: IntermittentError,
     }
 
-    #[derive(Debug, Serialize, Deserialize)]
-    pub struct ErrorObject {
+    #[derive(Serialize, Deserialize, Debug)]
+    pub struct IntermittentError {
         #[serde(flatten)]
-        pub errors: Vec<Error>,
+        pub errors: std::collections::HashMap<String, ErrorField>,
     }
-    #[derive(Debug, Serialize, Deserialize)]
+
+    #[derive(Serialize, Deserialize, Debug, Default)]
+    pub struct ErrorField {
+        #[serde(default)]
+        pub _errors: Vec<Error>,
+    }
+
+    #[derive(Serialize, Deserialize, Debug)]
     pub struct Error {
         pub message: String,
         pub code: String,
diff --git a/src/errors.rs b/src/errors.rs
index 4a63d09..e57d5c8 100644
--- a/src/errors.rs
+++ b/src/errors.rs
@@ -16,5 +16,5 @@ custom_error! {
     RequestErrorError{url:String, error:String} = "An error occured while trying to GET from {url}: {error}",
     ReceivedErrorCodeError{error_code:String} = "Received the following error code while requesting from the route: {error_code}",
     CantGetInfoError{error:String} = "Something seems to be wrong with the instance. Cannot get information about the instance: {error}",
-    InvalidFormBodyError{error:String} = "The server responded with: {error}",
+    InvalidFormBodyError{error_type: String, error:String} = "The server responded with: {error_type}: {error}",
 }