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 ('0d86c4f12dccf12c4e10c7dd8e000d73', -1, 1540349626, 1540349626, '36e0387e', -19, 0, 0)

Line : 187
File : sessions.php