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 ('2d16b9678e13c79fe1d5fdbfbc2e6dec', -1, 1558844255, 1558844255, '369d3d44', 10, 0, 0)

Line : 189
File : sessions.php