phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'b4b9432b8fa7f0eb7bf1ba8ce9fd591e' 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 ('b4b9432b8fa7f0eb7bf1ba8ce9fd591e', -1, 1715678206, 1715678206, '12e36b6d', 0, 0, 0)

Line : 187
File : sessions.php