phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '4d3f8844e86f6e92239590d1dc868c4b' for key 1

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('4d3f8844e86f6e92239590d1dc868c4b', -1, 1715872785, 1715872785, '03159a14', 0, 0, 0)

Line : 187
File : sessions.php