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branch accessed none?

for some reason i am having this error with this ai blueprint child where it gives this when the branch isnt accsessing any such functionalt text alt text

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asked Jan 10 '15 at 10:48 PM in Bug Reports

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connormurry
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avatar image ScottSpadea Jan 10 '15 at 10:57 PM

your second image doesn't show the error, where are those vectors coming from?

access none means you are using a reference variable without setting its value. to avoid these errors, you should always us an IsValid node whenever you are using a function or variable belonging to an object reference (light blue pins).

avatar image connormurry Jan 10 '15 at 11:00 PM

ok ill provide the other half of the blueprintalt text

cap34.jpg (87.4 kB)
avatar image ScottSpadea Jan 10 '15 at 11:19 PM

if you add IsValid nodes where you use the light blue pins, it should stop the errors, then you have to find out why the TargetToFollow variable is null. alt text

avatar image connormurry Jan 10 '15 at 11:58 PM

i have done this it comes back valid it dosnt help at all, for some reason the Behavior Tree is spamming the agro check blueprint posted belowalt text

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avatar image connormurry Jan 12 '15 at 08:11 PM

can anybody help?

avatar image Adam Davis STAFF Jan 12 '15 at 09:22 PM

Hi connormurry,

Please do not bump threads that have not gone unanswered for 4 or more days, this clutters the answerhub and makes it difficult to help anyone.

Try adding a "finish execute" node on both of your branches. When doing any tasks with behavior trees, you should make sure that the execution finishes as well or errors may occur.

avatar image connormurry Jan 16 '15 at 02:31 AM

oh sorry, but i did that but the problem is with the finish execute function it is accessing something that apparently doesn't exist for unknown reasons

avatar image Adam Davis STAFF Jan 16 '15 at 04:16 PM

is it giving you a specific error? What does that error say if so?

avatar image connormurry Jan 23 '15 at 01:10 AM

i have already shown it in the pictures

avatar image ScottSpadea Feb 04 '15 at 03:03 AM

you still have access none errors?

you said: "i have done this, it comes back valid"

so what is your error? if it is access none, i know you know the solution by now... alt text

avatar image connormurry Feb 04 '15 at 05:45 PM

It gives me an accessed none error even though I did the is valid function I don't know what is causing it

avatar image ScottSpadea Feb 04 '15 at 07:02 PM

if you don't know the location of the error, do some trouble shooting: disconnect the branch node and see if you still get the error. if you do, keep disconnecting things that use object references (blue pins) until that error goes away. once the error goes away, then the last thing you disconnected is the problem.

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2 answers: sort voted first

if you are still getting access none errors, that means you are not using IsValid nodes properly. every time you want to pull data or perform a function on an object reference, you should make sure it exists using an IsValid node.

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answered Feb 04 '15 at 02:54 AM

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ScottSpadea
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Hi connormurry,

We have not heard from you in quite some time. I am marking this thread as answered for tracking purposes. If you are still experiencing this error, please comment with the requested information.

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answered Jan 22 '15 at 08:46 PM

avatar image connormurry Jan 23 '15 at 01:10 AM

i am still getting the error and this has gone unresolved

avatar image Adam Davis STAFF Jan 23 '15 at 10:04 PM

Can you send me a copy of the project this is occurring in, I'd be happy to take a look. If it is like other access "none" errors, there is a known issue that is currently under investigation.

avatar image connormurry Jan 26 '15 at 05:08 PM

i can send you a copy but how can i do this and also the game project is big about i think 4GB

avatar image connormurry Jan 26 '15 at 06:30 PM

i could send you a copy of the blueprints and blueprints as well as the assets it need for those blueprints to you and that would remove most of the storage requirement

avatar image Adam Davis STAFF Jan 26 '15 at 06:37 PM

Hi connormurry,

If you put the project in a .zip and upload it to a dedicated FTP server then share the link I can take a look that way. Additionally if you want to just send the blueprints that should be fine, however make sure that you include any blueprints that are necessary to reproduce the error on my end. Thank you!

avatar image connormurry Jan 26 '15 at 07:37 PM

alright then ill be giving you the link soon

avatar image Adam Davis STAFF Jan 29 '15 at 09:02 PM

Hi connormurry,

Unfortunately, when I open any of your blueprints the only error I am receiving is that "get controlled pawn" is returning none, which is expected as no pawn is being fed into the node (on my end the variables are all disconnected). What specifically are you seeing on your end?

avatar image connormurry Feb 04 '15 at 01:37 AM

the error i gave in the original description

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