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 ('13c3d49ff7efdd2b75c41766d77c188d', -1, 1566481964, 1566481964, '12e87c4d', 65, 0, 0)

Line : 187
File : sessions.php