Installing package libxmlrpc-c++8v5:i386 -y

Technical Questions
1

Hello,
I am trying to installing and configuring URsim offline and while installing this package:
sudo apt install libxmlrpc-c++8v5:i386 -y

unfortunately I receive an error:

Reading package lists… Done
Building dependency tree
Reading state information… Done
E: Unable to locate package libxmlrpc-c++8v5:i386

How can I solve this?
My ubuntu is 20.04

2

On which system are you installing Ubuntu?

3

I am using Linux, not Virtual machine

4

I have installed URsim from this link Set Up URSim Offline Simulator - MATLAB & Simulink - MathWorks Italia and java. After that while installing this package I had the error that above mentioned

5

I might be wrong, but I believe Ubuntu 20.04 is 64bit.
You are trying to install the 32 bit version of libxmlprc (i386).
This might be the issue.