Matching timing constraints regularly fails when Full Moon

Hi, from your crazy scene, I cannot observe same behavior but strange thing happen also at my side.

I am working on how to isolate and avoid they can plague me...

I observed strange mangling of files, clipboard content appear somewhere.

Loss of files lines.

Loss of file file link as if they where stored in m$ mode but I am using Linux.

Non deterministic Behavior as VHDL has to be.

Sometimes loses lot of setting...

Refuse programming .pof files and old 15.0 programmed without problem...

Odd Havoc, BUT not moon influence ;) I am missing this great feature.

I am not currently working on Cyclone, I don't have this moment board at hand, tomorrow I try some core to that board to see what happen.

Please add more details about what happen, OS version.

Did you try'd clean project?