Printer stops before print is complete

I’m VERY new to 3d printing, and frankly am a bit frustrated.
My SV06 Plus prints extremely well. The files included (benchie and lighthouse) print just fine, but so far every other file I have downloaded and tried to print, stop before completion.
Today, one stopped at 3 percent complete, another that I tried twice, stopped at 28 percent complete.
When I say stopped, I mean the print head and bed just stop moving.
As a means of ruling out a printer problem, I’ve just finished printing the “benchie” again and it fully completed.
Please offer ideas on resolving this. Thus far I’m wondering if it’s the slicer, and do I need to try another?

First of all: you are not trying to print .gcode files, right?
You are using .stl, .wmf or .amf and putting them through a slicer first?
Which slicer are you using?

Hi there,

I’m using downloadable files, then using the slicer included with the printer. I assume it’s some form of modified Cura and an stl file…

Ok, So what settings for printer, filament and profile are you using in Cura?

Thanks for your help.
I believe I may have found the issue. Should know later this evening.

It’s great knowing this forum exists if I have not figured this out.
Again, THANK YOU!

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I would stop using that & just download the real Cura. The only drawback is that your print time will be a little slower.

I started out that way, but found the tabbed interface and excellent help popups to be much better organized and easier to find with the Prusa slicer.

Can you tell us what was the issue? I have the same problem now.