phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '4bdf6cb1cbe93513f3ec0437d82d8911' 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 ('4bdf6cb1cbe93513f3ec0437d82d8911', -1, 1766031484, 1766031484, 'd849d819', 3, 0, 0)

Line : 187
File : sessions.php