diff --git a/app/Http/Controllers/PostController.php b/app/Http/Controllers/PostController.php
index cd0808b7..5fa7144f 100644
--- a/app/Http/Controllers/PostController.php
+++ b/app/Http/Controllers/PostController.php
@@ -12,6 +12,7 @@ public function store(Request $request)
         $request->validate(
             // ... TASK: write validation here so that "title" field
             //           would be required and unique in the "posts" DB table
+            ['title' => ['required', 'unique:posts,title']]
         );
 
         // Saving the post
diff --git a/app/Http/Controllers/ProfileController.php b/app/Http/Controllers/ProfileController.php
index bb6bab39..8cd35637 100644
--- a/app/Http/Controllers/ProfileController.php
+++ b/app/Http/Controllers/ProfileController.php
@@ -13,6 +13,8 @@ public function update(Request $request)
             // <input name="profile[name]" ... />
             // <input name="profile[email]" ... />
             // Write validation rules, so both name and email are required
+            'profile.name' => 'required',
+            'profile.email' => 'required'
         ]);
 
         auth()->user()->update($request->profile ?? []);
diff --git a/app/Http/Controllers/UserController.php b/app/Http/Controllers/UserController.php
index 404d7471..a6d0f989 100644
--- a/app/Http/Controllers/UserController.php
+++ b/app/Http/Controllers/UserController.php
@@ -11,7 +11,7 @@ public function update(User $user, UpdateUserRequest $request)
     {
         // TASK: change this line to not allow is_admin field to be updated
         // Update only the fields that are validated in UpdateUserRequest
-        $user->update($request->all());
+        $user->update($request->validated());
 
         return 'Success';
     }
diff --git a/app/Http/Requests/StoreBuildingRequest.php b/app/Http/Requests/StoreBuildingRequest.php
index fbd8c064..0b7ff8b7 100644
--- a/app/Http/Requests/StoreBuildingRequest.php
+++ b/app/Http/Requests/StoreBuildingRequest.php
@@ -30,4 +30,15 @@ public function rules()
             'name' => 'required'
         ];
     }
+
+    /**
+     * Get the error messages for the defined validation rules.
+     *
+     * @return array
+     */
+    public function messages() {
+        return [
+            'name.required' => 'Please enter the name',
+        ];
+    }
 }
diff --git a/app/Http/Requests/StoreItemRequest.php b/app/Http/Requests/StoreItemRequest.php
new file mode 100644
index 00000000..038b6d60
--- /dev/null
+++ b/app/Http/Requests/StoreItemRequest.php
@@ -0,0 +1,21 @@
+<?php
+
+
+namespace App\Http\Requests;
+
+use Illuminate\Foundation\Http\FormRequest;
+
+class StoreItemRequest extends FormRequest {
+
+
+    public function authorize(): bool {
+        return true;
+    }
+
+    public function rules(): array {
+        return [
+            'name' => ['required'],
+            'description' => ['required']
+        ];
+    }
+}
\ No newline at end of file
diff --git a/app/Rules/Uppercase.php b/app/Rules/Uppercase.php
new file mode 100644
index 00000000..eb4b04fa
--- /dev/null
+++ b/app/Rules/Uppercase.php
@@ -0,0 +1,19 @@
+<?php
+
+namespace App\Rules;
+
+use Closure;
+use Illuminate\Contracts\Validation\ValidationRule;
+
+class Uppercase implements ValidationRule {
+    /**
+     * Run the validation rule.
+     *
+     * @param  Closure(string): \Illuminate\Translation\PotentiallyTranslatedString  $fail
+     */
+    public function validate(string $attribute, mixed $value, Closure $fail): void {
+        if (strtoupper($value[0]) !== $value[0]) {
+            $fail('The :attribute does not start with an uppercased letter');
+        }
+    }
+}
\ No newline at end of file
diff --git a/resources/views/products/create.blade.php b/resources/views/products/create.blade.php
index 611b7ef6..bba49250 100644
--- a/resources/views/products/create.blade.php
+++ b/resources/views/products/create.blade.php
@@ -9,6 +9,9 @@
     {{-- @directive --}}
     {{-- {{ $message }} --}}
     {{-- @endDirective --}}
+    @error('name')
+        <p>{{ $message }}</p>
+    @enderror
     <br /><br />
     <button type="submit">Save</button>
 </form>
diff --git a/resources/views/projects/create.blade.php b/resources/views/projects/create.blade.php
index dc19b63b..48f34b0b 100644
--- a/resources/views/projects/create.blade.php
+++ b/resources/views/projects/create.blade.php
@@ -8,11 +8,16 @@
     @csrf
     Title:
     <br />
-    <input type="text" name="title" />
+    <input type="text" name="name" />
     <br /><br />
     Description:
     <br />
     <input type="text" name="description" />
     <br /><br />
     <button type="submit">Save</button>
+    <ul>
+        @foreach ($errors->all() as $error)
+            <li>{{ $error }}</li>
+        @endforeach
+    </ul>
 </form>
diff --git a/resources/views/teams/create.blade.php b/resources/views/teams/create.blade.php
index 2d003c05..d42e31e2 100644
--- a/resources/views/teams/create.blade.php
+++ b/resources/views/teams/create.blade.php
@@ -3,7 +3,7 @@
     Name:
     <br />
     {{-- TASK: change this field so it would contain old value after validation error --}}
-    <input type="text" name="name" />
+    <input type="text" name="name" value="{{ old('name')}}" />
     <br /><br />
     <button type="submit">Save</button>
 </form>