phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '6c38909ffd650cc20ee8183273e4b6df' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('6c38909ffd650cc20ee8183273e4b6df', -1, 1769737085, 1769737085, 'd849d86e', 5, 0, 0)

Line : 187
File : sessions.php