phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '78c1fd9cef2f9459c3488354c5890ccd' 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 ('78c1fd9cef2f9459c3488354c5890ccd', -1, 1748118117, 1748118117, '7f000001', 3, 0, 0)

Line : 187
File : sessions.php