phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '91c4529c986c2cbfc6298c53127c8059' 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 ('91c4529c986c2cbfc6298c53127c8059', -1, 1715521455, 1715521455, '1277a65a', -4, 0, 0)

Line : 187
File : sessions.php