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 ('b2b5b73e0e684df639cd2fb04d843c79', -1, 1571094907, 1571094907, '03d15057', 3, 0, 0)

Line : 187
File : sessions.php