How can I change the behavior of SystemParamValidationError ?

[gwafotapa]

I've upgraded to bevy 16.0. When a system has an invalid Single parameter, that system is now skipped. I would like it to panic like it did before. I would also like a global solution not a per system basis one. The doc suggests that this behavior can be modified but I haven't been able to do so. The global error handler is already set to panic by default. I've also tried to set it myself. But it seems it does not catch SystemParamValidationError. Have I missed something or is there another way to do it ? Or maybe Single is not what I should use anymore and I should revert to using .single() if I want panicking behavior ?

[MrGVSV]

This was actually discussed recently in #18927.

For now, I think the only way to panic is to unwrap Query::single like you mentioned.

Alternatively, you might be able to copy+paste the Single type and implementation into your own code but remove the non-panicking validation logic.