phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'fb2d0c4c9797e8b58d4f95de49ba4560' 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 ('fb2d0c4c9797e8b58d4f95de49ba4560', -1, 1765365515, 1765365515, 'd849d8de', -4, 0, 0)

Line : 187
File : sessions.php