shader graph: the color of the scene breaks down in cases I do not understand

the color of the scene breaks down in cases I do not understand

this happens either when there are errors when, as I understand it, the nodes are not used correctly. for example, the divide node

this also happens when using a color node in HDR mode, at high intensity values

normal state:


the color of the whole scene has changed:

What is the reason, what should I do to avoid this? thanks in advance

I think i have the same issue, did you find a solution?