diff --git a/app/Support/Migration/TestData.php b/app/Support/Migration/TestData.php
index a71e4f0710..e8ea752208 100644
--- a/app/Support/Migration/TestData.php
+++ b/app/Support/Migration/TestData.php
@@ -113,7 +113,7 @@ class TestData
                     'title'           => Crypt::encrypt($attachment['title']),
                     'description'     => Crypt::encrypt($attachment['description']),
                     'notes'           => Crypt::encrypt($attachment['notes']),
-                    'mime'            => Crypt::encrypt($attachment['mime']),
+                    'mime'            => $attachment['mime'],
                     'size'            => strlen($attachment['content']),
                     'uploaded'        => 1,
                 ]
diff --git a/database/migrations/2016_06_16_000001_create_users_table.php b/database/migrations/2016_06_16_000001_create_users_table.php
index 82e5af99fc..e6803f03fc 100644
--- a/database/migrations/2016_06_16_000001_create_users_table.php
+++ b/database/migrations/2016_06_16_000001_create_users_table.php
@@ -23,7 +23,7 @@ class CreateUsersTable extends Migration
                 $table->string('email', 255);
                 $table->string('password', 60);
                 $table->string('remember_token', 100);
-                $table->string('reset', 32);
+                $table->string('reset', 32)->nullable();
                 $table->tinyInteger('blocked', false, true)->default('0');
                 $table->string('blocked_code', 25)->nullable();
             }
diff --git a/database/migrations/2016_06_16_000002_create_main_tables.php b/database/migrations/2016_06_16_000002_create_main_tables.php
index 9b05b858f3..4fa931431f 100644
--- a/database/migrations/2016_06_16_000002_create_main_tables.php
+++ b/database/migrations/2016_06_16_000002_create_main_tables.php
@@ -78,7 +78,7 @@ class CreateMainTables extends Migration
                 $table->integer('account_type_id', false, true);
                 $table->string('name', 1024);
                 $table->decimal('virtual_balance', 10, 4);
-                $table->string('iban', 255);
+                $table->string('iban', 255)->nullable();
 
                 $table->boolean('active')->default(1);
                 $table->boolean('encrypted')->default(0);
@@ -612,7 +612,7 @@ class CreateMainTables extends Migration
                 $table->softDeletes();
                 $table->integer('account_id', false, true);
                 $table->integer('transaction_journal_id', false, true);
-                $table->string('description', 255);
+                $table->string('description', 1024)->nullable();
                 $table->decimal('amount', 10, 4);
 
                 $table->foreign('account_id')->references('id')->on('accounts')->onDelete('cascade');
diff --git a/database/seeds/DatabaseSeeder.php b/database/seeds/DatabaseSeeder.php
index ac4d0a7aa5..4558e173da 100755
--- a/database/seeds/DatabaseSeeder.php
+++ b/database/seeds/DatabaseSeeder.php
@@ -14,11 +14,11 @@ class DatabaseSeeder extends Seeder
      */
     public function run()
     {
-        $this->call('AccountTypeSeeder');
-        $this->call('TransactionCurrencySeeder');
-        $this->call('TransactionTypeSeeder');
-        $this->call('PermissionSeeder');
-        $this->call('TestDataSeeder');
+        $this->call(AccountTypeSeeder::class);
+        $this->call(TransactionCurrencySeeder::class);
+        $this->call(TransactionTypeSeeder::class);
+        $this->call(PermissionSeeder::class);
+        $this->call(TestDataSeeder::class);
 
     }
 }