phpBB : Critical Error

Error creating new session

DEBUG MODE

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

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('481b2572e1230973fe81a6d30825052f', -1, 1537817802, 1537817802, '36c6cd99', 7, 0, 0)

Line : 187
File : sessions.php