phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '52d7a6cc907e2b5e8594b42302d014d4' 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 ('52d7a6cc907e2b5e8594b42302d014d4', -1, 1766482594, 1766482594, 'd849d803', -9, 0, 0)

Line : 187
File : sessions.php