phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '0cf3f56b3364d344dd3d86c8db208241' 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 ('0cf3f56b3364d344dd3d86c8db208241', -1, 1757266472, 1757266472, 'd849d82c', -9, 0, 0)

Line : 187
File : sessions.php