I tried even older version SweetHome3D-5.5.2 but still same error persists

<r><QUOTE><s>[quote]</s>Your driver is not the latest, but not sure if this is the problem. You can try to install the <URL url="https://www.nvidia.com/Download/driverResults.aspx/149145/en-us"><s>[url=https://www.nvidia.com/Download/driverResults.aspx/149145/en-us]</s>390.129 driver<e>[/url]</e ...

<r>I am trying to start SweetHome3D-6.2 in <B><s>[b]</s>Ubuntu 18.04 LTS<e>[/b]</e></B>, but I am getting this error message<br/>
<br/>
<IMG src="https://i.postimg.cc/sgHBd9Rj/sweet.png"><s>[img]</s><URL url="https://i.postimg.cc/sgHBd9Rj/sweet.png">https://i.postimg.cc/sgHBd9Rj/sweet.png</URL><e ...

<r><QUOTE><s>[quote]</s>You could create a XML file that respects <URL url="http://www.sweethome3d.com/SweetHome3D.dtd"><s>[url=http://www.sweethome3d.com/SweetHome3D.dtd]</s>Sweet Home 3D DTD<e>[/url]</e></URL>, then open it with SweetHome3D.<br/>
Here's a simple file which describes 4 walls, a ...

<r>Hello friends,<br/>
<br/>
We are working on a project where we need to tune building parameters (mentioned below) by some algorithms and visualize it's CAD output. Building parameters will be defined in the file such as <B><s>[b]</s>.txt<e>[/b]</e></B>, <B><s>[b]</s>.csv<e>[/b]</e></B>, etc. we ...