phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '21c449304eef02be7482d2cfd9bb6a79' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('21c449304eef02be7482d2cfd9bb6a79', -1, 1713558101, 1713558101, '12bc1438', -2, 0, 0)

Line : 187
File : sessions.php