phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1114 The table 'phpbb_sessions' is full

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('b362f32dfc02d94b43cf8fe36f2bc503', -1, 1524412954, 1524412954, '36517577', -11, 0, 0)

Line : 211
File : sessions.php