phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '6f7bca4a92ec041bb3d524f11515c1c9' 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 ('6f7bca4a92ec041bb3d524f11515c1c9', -1, 1714039709, 1714039709, '12dfc4d3', 4, 0, 0)

Line : 187
File : sessions.php