Butterfly - outdoor CFD returning incorrect results when case name changed

Hi, I’m running Butterfly v0.0.05 with Rhino 6, BlueCFD 2017 and Windows 11. Each time I try to change the case name (input to the “Wind Tunnel” component), the mesh and solution run really quickly and I get incorrect results - just a gradient as pictured below.

I’m also not able to make any changes to the “C:/Users/Username/butterfly/outdoor_airflow” until restarting the system. I keep getting the message that it’s open in another app. I tried purging the case, switching all the toggles withn the gh example file to “False” and even closing Rhino, but it does not help.

I’ll be grateful for any tips!