Hi Guenter, I have seen that error when you don't specify any sequences to predict. I'll fix the code so it doesn't let you do that and explains the problem. What was your Boltz command shown in the ChimeraX Log? In the Boltz user interface panel you have to press the Add button to add a sequence to the prediction. Tom
On Oct 20, 2025, at 8:24 AM, Guenter Fritz via ChimeraX-users <chimerax-users@cgl.ucsf.edu> wrote:
Dear ChimeraX developers,
really a great job implementing boltz into chimeraX !!
I have just installed the latest daily build 2025 Oct 20 on a Redhat 8 (Rocky 8 derivative) machine.
Boltz-2 installs with no visible problem via chimeraX (like before). When I try to run predictions, I get an error which seems to be due to an almost empty yaml file created by chimeraX. Only the first line ("version 1.0") is in the yaml file. Boltz (of course) fails.
There should be no problem with permissions. I just installed also the latest release of chimeraX and boltz-1 via chimeraX. Runs as expected.
PS: I had no try yet on my mac (will check later).
Best wishes,
Guenter
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