Version 4.3.6

system/Task/Exception.php

@@ -25,8 +25,8 @@ class _Exception extends \RuntimeException
 	/**
 	 * Constructor
 	 *
-	 * @param	\IPS\Task	$task		The task with the issue
-	 * @param	string		$message	Error Message
+	 * @param	\IPS\Task		$task		The task with the issue
+	 * @param	string|array	$message	Error Message
 	 * @return	void
 	 */
 	public function __construct( \IPS\Task $task, $message )
@@ -34,6 +34,12 @@ class _Exception extends \RuntimeException
 		$task->running = FALSE;
 		$task->next_run = \IPS\DateTime::create()->add( new \DateInterval( $task->frequency ) )->getTimestamp();
 		$task->save();
+
+		/* Exception message must be a string */
+		if( is_array( $message ) )
+		{
+			$message = json_encode( $message );
+		}
 		
 		return parent::__construct( $message );
 	}