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 ('3d3e000264c3a049f5baafbe92ee4a46', -1, 1529363243, 1529363243, '36a2e325', 9, 0, 0)

Line : 187
File : sessions.php