phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '323250b6b1b7c0f2944e04ffea8635cd' 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 ('323250b6b1b7c0f2944e04ffea8635cd', -1, 1769180103, 1769180103, 'd849d83a', -4, 0, 0)

Line : 215
File : sessions.php