phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a86cc1dd406fa7d5647fec32225f2e39' 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 ('a86cc1dd406fa7d5647fec32225f2e39', -1, 1734847671, 1734847671, '0d3b456d', -12, 0, 0)

Line : 187
File : sessions.php