phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '52d6836c7e50238fdab88b9d8b35c1ab' 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 ('52d6836c7e50238fdab88b9d8b35c1ab', -1, 1764578850, 1764578850, 'd849d825', -4, 0, 0)

Line : 187
File : sessions.php