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 ('c7cdf9a2ea04bf91f2a6e3bf4006f3fc', -1, 1575666661, 1575666661, '22e1c290', 14, 0, 0)

Line : 187
File : sessions.php