phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './themedat_phpbb/sessions' is marked as crashed and should be repaired

INSERT INTO sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('a50db551207d19cd26f7ab28d0f5cbc7', -1, 1542794208, 1542794208, '36eb306a', 1, 0, 0)

Line : 189
File : sessions.php