phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c8dc39ddb21f2778f99c35a89c3c5bd4' 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 ('c8dc39ddb21f2778f99c35a89c3c5bd4', -1, 1715792397, 1715792397, '12742a9e', 2, 0, 0)

Line : 187
File : sessions.php