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 ('5f5e451c0ca0ec5f782a2a931a7d8e40', -1, 1573859676, 1573859676, '03e6a222', -9, 0, 0)

Line : 187
File : sessions.php