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 ('3cbbf7d7b23324560e44f04ca87d3df9', -1, 1529630432, 1529630432, '36e0ebb7', 9, 0, 0)

Line : 219
File : sessions.php