phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '978671d7967e634646471b4c99a8c09c' 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 ('978671d7967e634646471b4c99a8c09c', -1, 1714285340, 1714285340, '0395e5fd', -4, 0, 0)

Line : 187
File : sessions.php