SetAccessor intermittently returns false

[Danny Dorfman]

Hello there,

I have an object that has several named accessors being set to it. However, the SetAccessor() function sometimes returns false,

and the command has no effect. Is there a way to find out the reason behind the failure? I am running 3.31.1

Regards,

Danny

[Ben Noordhuis]

It means there's a pending exception or that the isolate is out of
memory (which also results in an exception, one that JS code can't
catch.)

[Danny Dorfman]

I found the problem. The key that I used in SetAccessor() already had an attached value within the object.

Its attribute was v8::DontDelete ....