phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'f51d87940287fd4e947b9b5afddddaee' 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 ('f51d87940287fd4e947b9b5afddddaee', -1, 1714956511, 1714956511, 'c0a80201', -1, 0, 0)

Line : 187
File : sessions.php