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 ('bd949caae1456c4e41d20fb8e34a7715', -1, 1591073911, 1591073911, '12e826d6', 7, 0, 0)

Line : 187
File : sessions.php