diff --git a/src/Command.php b/src/Command.php
index 21bdcd0..e581903 100644
--- a/src/Command.php
+++ b/src/Command.php
@@ -129,7 +129,6 @@ class Command extends Component
 		} catch (\Throwable $exception) {
 			$result = $this->addError($this->sql . '. error: ' . $exception->getMessage(), 'mysql');
 		} finally {
-			var_dump($result);
 			$this->db->release();
 			return $result;
 		}
diff --git a/src/Mysql/PDO.php b/src/Mysql/PDO.php
index f80e59b..b924a2b 100644
--- a/src/Mysql/PDO.php
+++ b/src/Mysql/PDO.php
@@ -251,9 +251,11 @@ class PDO implements StopHeartbeatCheck
 		$this->_last = time();
 		$pdo = $this->_pdo();
 		if (!(($prepare = $pdo->prepare($sql)) instanceof PDOStatement)) {
+			var_dump($prepare->errorInfo());
 			throw new Exception($prepare->errorInfo()[2] ?? static::DB_ERROR_MESSAGE);
 		}
 		if ($prepare->execute($params) === false) {
+			var_dump($prepare->errorInfo());
 			throw new Exception($prepare->errorInfo()[2] ?? static::DB_ERROR_MESSAGE);
 		}
 		$result = (int)$pdo->lastInsertId();