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 ('ca079122dd37c4e47a0ee4e6ee020594', -1, 1529576375, 1529576375, '365c995a', -4, 0, 0)

Line : 219
File : sessions.php