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 ('2722629d1d7a3ed8056efa4ccd2dd187', -1, 1566700627, 1566700627, '03511c5e', 28, 0, 0)

Line : 187
File : sessions.php