Ensure special characters in your password are encoded.<br /> For example if your password contains ‘#’ you should replace the literal ‘#’ character with ‘%23’ where 23 is the hex code for ‘#’<br /> see: https://docs.atlas.mongodb.com/troubleshoot-connection/#special-characters-in-connection-string-password

You should encode your password, for example, my password<br /> had # character in it<br /> I used this site to convert # to hex which is 23<br /> https://cryptii.com/pipes/hex-to-text<br /> Now, after converting it you need to put it inside your js<br /> file like this %23