diff --git a/lib/Migration/Version000004Date20210331142734.php b/lib/Migration/Version000004Date20210331142734.php
index 129c78aa..f7470ba3 100644
--- a/lib/Migration/Version000004Date20210331142734.php
+++ b/lib/Migration/Version000004Date20210331142734.php
@@ -6,6 +6,7 @@
 
 use Closure;
 use OCP\DB\ISchemaWrapper;
+use OCP\DB\Types;
 use OCP\Migration\SimpleMigrationStep;
 use OCP\Migration\IOutput;
 
@@ -34,20 +35,20 @@ public function changeSchema(IOutput $output, Closure $schemaClosure, array $opt
 
 		if (!$schema->hasTable('approval_rules')) {
 			$table = $schema->createTable('approval_rules');
-			$table->addColumn('id', 'integer', [
+			$table->addColumn('id', Types::INTEGER, [
 				'autoincrement' => true,
 				'notnull' => true,
 				'length' => 4,
 			]);
-			$table->addColumn('tag_pending', 'integer', [
+			$table->addColumn('tag_pending', Types::INTEGER, [
 				'notnull' => true,
 				'length' => 4,
 			]);
-			$table->addColumn('tag_approved', 'integer', [
+			$table->addColumn('tag_approved', Types::INTEGER, [
 				'notnull' => true,
 				'length' => 4,
 			]);
-			$table->addColumn('tag_rejected', 'integer', [
+			$table->addColumn('tag_rejected', Types::INTEGER, [
 				'notnull' => true,
 				'length' => 4,
 			]);
@@ -56,20 +57,20 @@ public function changeSchema(IOutput $output, Closure $schemaClosure, array $opt
 
 		if (!$schema->hasTable('approval_rule_requesters')) {
 			$table = $schema->createTable('approval_rule_requesters');
-			$table->addColumn('id', 'integer', [
+			$table->addColumn('id', Types::INTEGER, [
 				'autoincrement' => true,
 				'notnull' => true,
 				'length' => 4,
 			]);
-			$table->addColumn('rule_id', 'integer', [
+			$table->addColumn('rule_id', Types::INTEGER, [
 				'notnull' => true,
 				'length' => 4,
 			]);
-			$table->addColumn('entity_type', 'integer', [
+			$table->addColumn('entity_type', Types::INTEGER, [
 				'notnull' => true,
 				'length' => 4,
 			]);
-			$table->addColumn('entity_id', 'string', [
+			$table->addColumn('entity_id', Types::STRING, [
 				'notnull' => true,
 				'length' => 300,
 			]);
@@ -78,20 +79,20 @@ public function changeSchema(IOutput $output, Closure $schemaClosure, array $opt
 
 		if (!$schema->hasTable('approval_rule_approvers')) {
 			$table = $schema->createTable('approval_rule_approvers');
-			$table->addColumn('id', 'integer', [
+			$table->addColumn('id', Types::INTEGER, [
 				'autoincrement' => true,
 				'notnull' => true,
 				'length' => 4,
 			]);
-			$table->addColumn('rule_id', 'integer', [
+			$table->addColumn('rule_id', Types::INTEGER, [
 				'notnull' => true,
 				'length' => 4,
 			]);
-			$table->addColumn('entity_type', 'integer', [
+			$table->addColumn('entity_type', Types::INTEGER, [
 				'notnull' => true,
 				'length' => 4,
 			]);
-			$table->addColumn('entity_id', 'string', [
+			$table->addColumn('entity_id', Types::STRING, [
 				'notnull' => true,
 				'length' => 300,
 			]);
diff --git a/lib/Migration/Version000004Date20210427102750.php b/lib/Migration/Version000004Date20210427102750.php
index f3068efb..f962b8f8 100644
--- a/lib/Migration/Version000004Date20210427102750.php
+++ b/lib/Migration/Version000004Date20210427102750.php
@@ -6,6 +6,7 @@
 
 use Closure;
 use OCP\DB\ISchemaWrapper;
+use OCP\DB\Types;
 use OCP\Migration\SimpleMigrationStep;
 use OCP\Migration\IOutput;
 use OCP\IDBConnection;
@@ -43,9 +44,9 @@ public function changeSchema(IOutput $output, Closure $schemaClosure, array $opt
 		/** @var ISchemaWrapper $schema */
 		$schema = $schemaClosure();
 		$table = $schema->getTable('approval_rules');
-		$table->addColumn('description', 'text', [
+		$table->addColumn('description', Types::TEXT, [
 			'notnull' => true,
-			'default' => '',
+			'default' => '???',
 		]);
 		return $schema;
 	}
diff --git a/lib/Migration/Version000004Date20210427142434.php b/lib/Migration/Version000004Date20210427142434.php
index d85b42d3..2efcb99b 100644
--- a/lib/Migration/Version000004Date20210427142434.php
+++ b/lib/Migration/Version000004Date20210427142434.php
@@ -6,6 +6,7 @@
 
 use Closure;
 use OCP\DB\ISchemaWrapper;
+use OCP\DB\Types;
 use OCP\Migration\SimpleMigrationStep;
 use OCP\Migration\IOutput;
 
@@ -34,27 +35,27 @@ public function changeSchema(IOutput $output, Closure $schemaClosure, array $opt
 
 		if (!$schema->hasTable('approval_activity')) {
 			$table = $schema->createTable('approval_activity');
-			$table->addColumn('id', 'integer', [
+			$table->addColumn('id', Types::INTEGER, [
 				'autoincrement' => true,
 				'notnull' => true,
 				'length' => 4,
 			]);
-			$table->addColumn('file_id', 'integer', [
+			$table->addColumn('file_id', Types::INTEGER, [
 				'notnull' => true,
 				'length' => 4,
 			]);
-			$table->addColumn('rule_id', 'integer', [
+			$table->addColumn('rule_id', Types::INTEGER, [
 				'notnull' => true,
 				'length' => 4,
 			]);
-			$table->addColumn('user_id', 'string', [
+			$table->addColumn('user_id', Types::STRING, [
 				'notnull' => true,
 				'length' => 300,
 			]);
-			$table->addColumn('new_state', 'integer', [
+			$table->addColumn('new_state', Types::INTEGER, [
 				'notnull' => true,
 			]);
-			$table->addColumn('timestamp', 'integer', [
+			$table->addColumn('timestamp', Types::INTEGER, [
 				'notnull' => true,
 				'length' => 4,
 			]);
diff --git a/src/components/AdminSettings.vue b/src/components/AdminSettings.vue
index 79feeec9..ee269073 100644
--- a/src/components/AdminSettings.vue
+++ b/src/components/AdminSettings.vue
@@ -165,7 +165,11 @@ export default {
 		},
 		invalidRuleMessage() {
 			const newRule = this.newRule
-			const noMissingField = newRule.tagPending && newRule.tagApproved && newRule.tagRejected && newRule.approvers.length > 0
+			const noMissingField = newRule.description
+				&& newRule.tagPending
+				&& newRule.tagApproved
+				&& newRule.tagRejected
+				&& newRule.approvers.length > 0
 			if (!noMissingField) {
 				return t('approval', 'All fields are required')
 			}
@@ -230,7 +234,7 @@ export default {
 		},
 		onRuleInput(id, rule) {
 			// save if all values are set
-			if (rule.tagPending && rule.tagApproved && rule.tagRejected && rule.approvers.length > 0) {
+			if (rule.description && rule.tagPending && rule.tagApproved && rule.tagRejected && rule.approvers.length > 0) {
 				this.savingRule = true
 				const req = {
 					tagPending: rule.tagPending,