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 ('25a4cd0ec3e0aef6fcef74873d1b9920', -1, 1580321058, 1580321058, '03d6b8fa', 20, 0, 0)

Line : 187
File : sessions.php