phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '9751ac618b0857cb635a39b50abf3bd9' 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 ('9751ac618b0857cb635a39b50abf3bd9', -1, 1750008973, 1750008973, 'd849d8c2', 20, 0, 0)

Line : 187
File : sessions.php