phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '15cd51f62657a7e6c553c092bfc18953' 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 ('15cd51f62657a7e6c553c092bfc18953', -1, 1714949954, 1714949954, 'c0a80201', -2119, 0, 0)

Line : 187
File : sessions.php