Authentication with pre-entered password: Access denied

SFTP server
Automated

Winscp.exe GUI interface: We can connect to an SFTP server with the credentials we got from the provider.
When we want to connect to this server using a script in an automated scene, then the authentication fails,

script:
the scriptfile, screenshot and a logfile are send as attachments.

I suppose the strange characters in the password are the reason.
I asked a password with less characters and not that kind of characters, but, due to security reasons, the provider does not give another password.

Can somebody help me?
Greetings

Have WinSCP GUI generate a script for you:
https://winscp.net/eng/docs/ui_generateurl

Though I do not see any really special character in your password. Maybe except for the trailing double-quote. I'm just not sure it is supposed to be part of the password or if it is a typo. If it is part of the password, you need to double it.
https://winscp.net/eng/docs/scripting#quotes

Thanks for your advice. I generated a script in WinSCP. With that script, I can connect to the server.
In this generated script, most special character is the password are replaced by %nn where nn is the hexavalue of the character.
The " at the end of the password is not a tippo

And does the generated script work?

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Note that the generated script puts the password into session URL, where many symbols need to be encoded:
https://winscp.net/eng/docs/session_url#special
In your original script you had the password in -password switch, where encoding/escaping is not needed. Except for the double quote.