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 ('c5f5e80fa107f79051f759255feaa2cd', -1, 1560891418, 1560891418, 'c0a80304', 3, 0, 0)

Line : 188
File : sessions.php