diff --git a/DHBW-Service.xcodeproj/project.pbxproj b/DHBW-Service.xcodeproj/project.pbxproj
index 285cd09..be72445 100644
--- a/DHBW-Service.xcodeproj/project.pbxproj
+++ b/DHBW-Service.xcodeproj/project.pbxproj
@@ -551,7 +551,7 @@
 				ASSETCATALOG_COMPILER_GLOBAL_ACCENT_COLOR_NAME = AccentColor;
 				CODE_SIGN_STYLE = Automatic;
 				DEVELOPMENT_ASSET_PATHS = "\"DHBW-Service/Preview Content\"";
-				DEVELOPMENT_TEAM = HS7KNT4MZ2;
+				DEVELOPMENT_TEAM = G3TRS8UHWN;
 				ENABLE_PREVIEWS = YES;
 				INFOPLIST_FILE = "DHBW-Service/Supporting Files/Info.plist";
 				IPHONEOS_DEPLOYMENT_TARGET = 14.0;
@@ -573,7 +573,7 @@
 				ASSETCATALOG_COMPILER_GLOBAL_ACCENT_COLOR_NAME = AccentColor;
 				CODE_SIGN_STYLE = Automatic;
 				DEVELOPMENT_ASSET_PATHS = "\"DHBW-Service/Preview Content\"";
-				DEVELOPMENT_TEAM = HS7KNT4MZ2;
+				DEVELOPMENT_TEAM = G3TRS8UHWN;
 				ENABLE_PREVIEWS = YES;
 				INFOPLIST_FILE = "DHBW-Service/Supporting Files/Info.plist";
 				IPHONEOS_DEPLOYMENT_TARGET = 14.0;
diff --git a/DHBW-Service/Supporting Files/l10n/en.lproj/General.strings b/DHBW-Service/Supporting Files/l10n/en.lproj/General.strings
index 69266d5..3e95653 100644
--- a/DHBW-Service/Supporting Files/l10n/en.lproj/General.strings	
+++ b/DHBW-Service/Supporting Files/l10n/en.lproj/General.strings	
@@ -8,3 +8,5 @@
 "name" = "Name";
 "course" = "Course";
 "director" = "Director";
+"filledAuto" = "filled automatically";
+"welcomeText" = "Please enter your data in the following fields.";
diff --git a/DHBW-Service/Views/Other/FirstOpeningSettings.swift b/DHBW-Service/Views/Other/FirstOpeningSettings.swift
index dc39d0e..c0efed4 100644
--- a/DHBW-Service/Views/Other/FirstOpeningSettings.swift
+++ b/DHBW-Service/Views/Other/FirstOpeningSettings.swift
@@ -13,27 +13,44 @@ struct FirstOpeningSettings: View {
     @State private var name = ""
     @State private var course = ""
     @State private var director = ""
+    @State private var invalidInputName = false
+    @State private var invalidInputCourse = false
     
     var body: some View {
         
         VStack {
+            
+            Text("welcomeText".localized(tableName: "General", plural: false))
             TextField("name".localized(tableName: "General", plural: false), text: self.$name)
+                
+                .overlay(RoundedRectangle(cornerRadius: 10).stroke(invalidInputCourse ? Color.red : Color.secondary, lineWidth: 1))
+                .foregroundColor(invalidInputName ? .red : .primary)
                 .textContentType(.name)
                 .textFieldStyle(RoundedBorderTextFieldStyle())
                 .frame(minWidth: 200, idealWidth: nil, maxWidth: 500, minHeight: nil, idealHeight: nil, maxHeight: nil, alignment: .center)
                 .padding(.horizontal)
-            TextField("course".localized(tableName: "General", plural: false), text: self.$course)
-                .textContentType(.name)
-                .textFieldStyle(RoundedBorderTextFieldStyle())
-                .frame(minWidth: 200, idealWidth: nil, maxWidth: 500, minHeight: nil, idealHeight: nil, maxHeight: nil, alignment: .center)
-                .padding(.horizontal)
-            TextField("director".localized(tableName: "General", plural: false), text: self.$director)
+            
+            TextField("course".localized(tableName: "General", plural: false),
+                      text: self.$course)
+                .overlay(RoundedRectangle(cornerRadius: 10).stroke(invalidInputCourse ? Color.red : Color.secondary, lineWidth: 1))
+                .onChange(of: course, perform: { value in
+                    self.setDirector()
+                })
+                .foregroundColor(invalidInputCourse ? .red : .primary)
+                .textContentType(.name)
+                .disableAutocorrection(true)
+                .textFieldStyle(RoundedBorderTextFieldStyle())
+                .frame(minWidth: 200, idealWidth: nil, maxWidth: 500, minHeight: nil, idealHeight: nil, maxHeight: nil, alignment: .center)
+                .padding(.horizontal)
+            
+            TextField("director".localized(tableName: "General", plural: false) + " (" +  "filledAuto".localized(tableName: "General", plural: false) + ")", text: self.$director)
+                .foregroundColor(.primary)
                 .textContentType(.name)
                 .textFieldStyle(RoundedBorderTextFieldStyle())
                 .frame(minWidth: 200, idealWidth: nil, maxWidth: 500, minHeight: nil, idealHeight: nil, maxHeight: nil, alignment: .center)
                 .padding(.horizontal)
+                .disabled(true)
             Button(action: {
-                self.settings.isFirstOpening = !self.settings.isFirstOpening
                 self.saveToCoreData()
             }){
                 Text("Confirm")
@@ -47,7 +64,32 @@ struct FirstOpeningSettings: View {
 }
 
 extension FirstOpeningSettings{
+    func setDirector() {
+        if (course == "TINF19B4") {
+            director = "Jörn Eisenbiegler"
+        } else {
+            director = ""
+        }
+    }
+    
+    func checkInput() -> Bool {
+        let nameRegex = try! NSRegularExpression(pattern: "[a-zA-ZÄÖÜäöüß]+")
+        let courseRegex = try! NSRegularExpression(pattern: "[T|G|W][A-Z]{2,3}[0-9]{2}B[1-9]")
+        let nameRange = NSRange(location: 0, length: name.utf16.count)
+        let courseRange = NSRange(location: 0, length: course.utf16.count)
+        
+        invalidInputName = nameRegex.firstMatch(in: name, options: [], range: nameRange) == nil
+        invalidInputCourse = courseRegex.firstMatch(in: course, options: [], range: courseRange) == nil
+        
+        return !invalidInputName && !invalidInputCourse
+    }
+    
     func saveToCoreData(){
+        if (!self.checkInput()) {
+            print("Input invalid")
+            return
+        }
+        
         // Delete old user data
         let status = UtilityFunctions.deleteAllCoreDataEntitiesOfType(type: "User")
         print("Deleting old user data status: \(status)")
@@ -59,6 +101,7 @@ extension FirstOpeningSettings{
         user.setValue(course, forKey: "course")
         user.setValue(director, forKey: "director")
         
+        self.settings.isFirstOpening = !self.settings.isFirstOpening
         PersistenceController.shared.save()
     }
 }
diff --git a/DHBW-Service/Views/Tabs/HomeView.swift b/DHBW-Service/Views/Tabs/HomeView.swift
index b3b08a0..58c6a77 100644
--- a/DHBW-Service/Views/Tabs/HomeView.swift
+++ b/DHBW-Service/Views/Tabs/HomeView.swift
@@ -16,13 +16,6 @@ struct HomeView: View {
     
     var body: some View {
         VStack {
-            Button(action: {
-                self.settings.isFirstOpening = !self.settings.isFirstOpening
-            }){
-                Text("First opening toggle")
-            }
-            Text("Test")
-            
             HStack {
                 Text("name".localized(tableName: "General", plural: false) + ": ")
                 Text(self.name)