phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '78c3a9ead601c17a25d4b2d49f6079da' 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 ('78c3a9ead601c17a25d4b2d49f6079da', -1, 1765537218, 1765537218, 'd849d89d', 13, 0, 0)

Line : 187
File : sessions.php