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 ('864b6955ea0b95be5cc30cb3ee61fac7', -1, 1575762530, 1575762530, '12cfeea9', 24, 0, 0)

Line : 187
File : sessions.php