Error on unknown child node with jump to

[Grummfy]

Hi, On a node result I had an error, because I was not reading the docs ... so I was useing jumpAfterEval instead of execute ... but it appears that the PAGI libs let sme erreors happends, so here is the fix.

[marcelog]

hi!

please make sure you only include the needed change, and that it's unit tested. please don't include any identation changes, and try to follow the style of the original code.

cheers!

[marcelog]

sorry that i closed it by mistake. feel free to rebase and push force for this same pull

[Grummfy]

here it is the cleaned one