phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '5b9374411512e06efd2806c6c24ad9be' 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 ('5b9374411512e06efd2806c6c24ad9be', -1, 1769086350, 1769086350, '12610e5b', -4, 0, 0)

Line : 187
File : sessions.php