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 ('ae271c7b1575ebc9ea2169e0f1e405eb', -1, 1573522877, 1573522877, '035f8361', 3, 0, 0)

Line : 187
File : sessions.php