phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './tripleac_Forum/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 ('6ee61ca50ed5f178fc5deac66573511e', -1, 1518903888, 1518903888, '36524ed5', -10, 0, 0)

Line : 187
File : sessions.php