Bulk actions redirects to “options.php” page when clicked (WP_List_Table)

Apparently, this error was occurring because I created this admin page in a wrong way. I just moved eveything related to this table to my main plugin php file and it is working now.

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)