phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'f6964a151485d76b797c094b5cd517e0' for key 'PRIMARY'

INSERT INTO sub_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('f6964a151485d76b797c094b5cd517e0', -1, 1715625635, 1715625635, '12dd8c6f', -7, 0, 0)

Line : 187
File : sessions.php