phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 144 Table './forumcapes/phpbb_sessions' is marked as crashed and last (automatic?) repair failed

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('17ae0f0fc5a40c14495fcd5daa2a0a57', -1, 1537944512, 1537944512, '369e34a6', -9, 0, 0)

Line : 187
File : sessions.php