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 ('a4731da1ee07d3b4cd9e3c7d598fb2ce', -1, 1715104771, 1715104771, '340f873f', 15, 0, 0)

Line : 187
File : sessions.php