phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '7645cf64759f368ceb5fc2b5a00f366f' 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 ('7645cf64759f368ceb5fc2b5a00f366f', -1, 1715781070, 1715781070, '039114c1', -8, 0, 0)

Line : 187
File : sessions.php