phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1194 Table '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) VALUES ('c356f5fda1fb7f6ed3a1036b533a39f2', -1, 1519147672, 1519147672, '36534233', -9, 0)

Line : 158
File : sessions.php