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 ('a3a86f78d4acaa18a6ed5205315bdc43', -1, 1576232294, 1576232294, '22ed339f', 39, 0, 0)

Line : 187
File : sessions.php