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 ('c58ba9bc7a2ed265a3836be0e2c8b836', -1, 1524145447, 1524145447, '36c67a46', -1, 0, 0)

Line : 211
File : sessions.php