phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '886715c9a716a51c306285aa04f1786a' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('886715c9a716a51c306285aa04f1786a', -1, 1713953516, 1713953516, '340f3f91', -7, 0, 0)

Line : 187
File : sessions.php