phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '781e988988149dc258a6ca9572dfa2b5' for key 1

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('781e988988149dc258a6ca9572dfa2b5', -1, 1715875680, 1715875680, '03913c75', -8, 0, 0)

Line : 187
File : sessions.php