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 ('bebdb7343090ea6fa6a34e4a4b73359b', -1, 1529322418, 1529322418, '369e0f61', 9, 0, 0)

Line : 187
File : sessions.php