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 ('70083204e81491ab7e4ae13e0824df93', -1, 1529686183, 1529686183, '3650c6ad', -11, 0, 0)

Line : 187
File : sessions.php