I have rolled back to the prior version of the add-on and it still is experiencing the error. I found a post in the Addon GitHub repo noting an error corresponding to the latest Home Assistant OS / Core update 14.0
I am going to try reverting to prior OS version to try to resolve.
Home Assistant OS14.0 is a just updated version and is having compatibility issues.
So we recommend you to install pironman5 plugin with OS13 version first.
We are testing the compatibility between Home Assistant OS14.and pironman5.