phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c9c5a96a5c9e6e5ef576b218d1243d4f' 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 ('c9c5a96a5c9e6e5ef576b218d1243d4f', -1, 1714128810, 1714128810, '12760992', 9, 0, 0)

Line : 187
File : sessions.php