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 ('436b0b7a1195e15d00f15bf30d3079ff', -1, 1529630814, 1529630814, '36e0ebb7', 25, 0, 0)

Line : 219
File : sessions.php