Good evening! I'm having some issue with ceiling in 3d rendering. Some lines appear, how can I remove? thanks

Solved re-installing jre 8 and Sh3d last version

<t>Hi,<br/>
I recently updated sh3d to 6.2 and jre 8 under W10 64 bit.<br/>
I'm experiencing some issues with photo creation:<br/>
- crush with jre error<br/>
- creation very slow and 100% cpu usage using yafaray rendering engine.<br/>
- simple photo rendering 1.9 with sunflow rendering engine seems ...