RH commandline generation 'sometimes' does not find variables

RH 2022.3.93

Frameless

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I'm well aware that the RH commandline tool is wonky, but I haven't encountered this kind of problem before and wanted to check if I'm the only one who gets this.

Context

In our project, we have 12 Frameless output presets that we generate on a daily basis with batch scripts and upload to a file server.

As has been brought up before, the commandline tool tends to get stuck (rh-render-process-gone) if you generate multiple presets. Our dubious 'workaround' for this is to have 12 consecutive batch scripts, one for each output preset (which is a bootleg method to sort of force the RH application to restart each time). Each batch script gets run at a specific time with Windows task scheduler.

Problem

The output generation works fine save for one big issue. For reasons I cannot pinpoint, the variables sometimes fail to get published:

There does not seem to be a consistent trend I can discover.

This missing variable problem usually happens to about half of the published outputs, but it seems to vary each time. I've tried to add a log parameter to the command but that causes rh-render-process-gone almost immediately.