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 ('901f2f9946f26c0846f3cd1571f87a0d', -1, 1526977661, 1526977661, '36c45659', -4, 0, 0)

Line : 187
File : sessions.php