Issues with regional prompt?

[rtaskf]

Very often my region setup seems to break for no apparent reason. It looks like some regions simply get cut out, and the ones after it move up one slot to the front. This causes regional prompts to end up in the wrong regions, and sometimes the last few regions get completely fried, usually to some white-on-black high-contrast nonsense with a hard seam to the rest of the image. My guess is that the prompts for those regions were moved, leaving the array out of bounds for them.

Even in the same batch, using the same prompt, some images will turn out fine while others have these errors. Is this simply normal? I can't see any error on my account. I always check common prompt and use [region count + 1] BREAKs in total.