phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '7bea4c818188db6d5fe41f8f44c20991' 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 ('7bea4c818188db6d5fe41f8f44c20991', -1, 1769043107, 1769043107, 'd849d879', -4, 0, 0)

Line : 187
File : sessions.php