phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'b80d1b7ca296403b3d69170c6a19456c' 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 ('b80d1b7ca296403b3d69170c6a19456c', -1, 1766120015, 1766120015, 'd849d817', -4, 0, 0)

Line : 187
File : sessions.php