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 ('a30fa3b852c55b2f506b0df1a00c791e', -1, 1566394022, 1566394022, '22ccb300', 3, 0, 0)

Line : 187
File : sessions.php