Load tables for opensurvey only when module opensurvey is enabled

htdocs/core/modules/modOpenSurvey.class.php

@@ -182,6 +182,13 @@ class modOpenSurvey extends DolibarrModules
 	 */
 	public function init($options = '')
 	{
+		global $conf, $langs;
+
+		$result = $this->_load_tables('/install/mysql/tables/', 'opensurvey');
+		if ($result < 0) {
+			return -1; // Do not activate module if error 'not allowed' returned when loading module SQL queries (the _load_table run sql with run_sql with the error allowed parameter set to 'default')
+		}
+
 		// Permissions
 		$this->remove($options);