used firebase for authentication

error is:

Argument of type 'object | undefined' is not assignable to parameter of type 'SetStateAction<string>'.Type 'undefined' is not assignable to type 'SetStateAction<string>'

  const [User, setUser] = useState(false);
  const [UserData, setUserData] = useState("");
  const signin=async()=>{
    setProgress(10)
    const UserInfo=await signInWithGoogle(); // UserInfo is a json object
    setUser(true)
    setUserData(UserInfo) //error here......
    console.log(UserData);

    setProgress(100)

    
  }
  const signout=async()=>{
    console.log("sign out");
    setProgress(30)
    alert("Press OK to Log Out")
    signOutWithGoogle()
    setProgress(70)
    setUser(false)

    // User?alert("signed out successfully"):""
    setProgress(100)

    
  }```


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