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Sequencer: "Object bound to this track is missing"?

Hey Guys,

we want to record a trailer for our upcoming game. When recording a gameplay sequence with the sequencer however, the weapon of our character is shown while playing but not in the replay or render. It states "object bound to this track is missing". Does anybody know how to fix this? Let me know if you need any further information. :)

Cheers, Paul

Product Version: UE 4.13
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asked Oct 23 '16 at 04:05 PM in Bug Reports

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avatar image Chris Payne Feb 12 '18 at 04:47 PM

Was a solution for fixing this ever suggested? I've got a similar problem where a sequence inside a blueprint animates four child actors and has lost the bindings. There is no "Assign Actor" option on the context menu.

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Hey Paul,

Sounds like the binding between the track data and the actor got lost. You might be able to rebind it by right clicking on the actor track and choosing "Assign Actor" and then picking the corresponding actor.

Also, did you record as a spawnable or a possessable? The default is recording by spawnable, which means the level sequence asset will store the actor to spawn. The alternative is to record to tracks that will possess an existing actor in a level. You could try and record as possessable if you haven't already and see if that works. If you need to convert that to a spawnable, you can do that by right clicking on the actor track after you've done the recording.

Hopefully one of those works. If not, can you send along a screenshot of your tracks?

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answered Oct 24 '16 at 02:12 AM

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Max.Chen STAFF
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avatar image Hybrid. Oct 24 '16 at 08:20 PM

Hey Max, firstly, thanks for your answer! :)

So, the problem with assigning an actor here, is that we have a playercharacter blueprint and the three weapon slots are a part of that playercharacter. Recorded Playercharacter track can be seen here: https://gyazo.com/366ecf5ffb2de16f641593d0d6842f91 If your scroll down there you get to the weapons´ tracks: https://gyazo.com/f0bc28f4bd9c78763dd0486c8274bd94 which state the object bound is missing. However, I can´t convert this to a spawnable because the option is greyed out: https://gyazo.com/cd5e9dd6e07857878a798b9b97d69a8c

Additionally, here are the recording settings: Screen01: https://gyazo.com/7e030541ae5524d678b03f5262ac1f31 Screen02: https://gyazo.com/bce8b890ab18dabd2e9e6a5c49c63d4f

avatar image Max.Chen STAFF Oct 24 '16 at 10:26 PM

Looks like there might be a problem in the recording mechanism that isn't creating the proper weapon components. I'd have to get a repro to fix it.

In the meantime, can you try to toggle on "Record to Possessable" in the recording settings? That will create tracks that possess the actor in the level. If that works and you need to convert it to a spawnable (owned by the level sequence asset), you might be able to do that after the fact. You would click on the "PlayerCharacter_C_0" and choose "Convert to Spawnable"

avatar image mario1101989 Oct 25 '16 at 03:42 AM

I have the same problem,too. :(.All objects in viewport were display while some objects were missing in level sequencer.How can I fix this ?.I also convert cinecamera to spawnable,but the errors still happen.

avatar image Hybrid. Nov 01 '16 at 02:57 PM

Hey Max, I tried recording to possessable, but then just the head of the character is shown in the recording (the rest of the body is just a "part"of the head). So would you maybe be able to resolve the issue if you have the .uproject file?

avatar image Max.Chen STAFF Nov 01 '16 at 03:18 PM

Yeah, if you send along the project, we could take a look and see if there's a fix or possible workaround.

avatar image Hybrid. Nov 02 '16 at 09:42 PM

Should I just upload it on a cloud platform or so?

avatar image Max.Chen STAFF Nov 03 '16 at 02:22 PM

Yep, go ahead and do that and I'll try to repro with it.

avatar image Hybrid. Nov 03 '16 at 04:29 PM

Can I somehow send you a private message with some info?

avatar image Hybrid. Nov 08 '16 at 09:23 PM

Sorry to disturb you so often but I can´t publicly post a link to our project here and I do not know how to send you a private message. Please help me because we are close to our kickstarter campaign!

avatar image Max.Chen STAFF Nov 09 '16 at 03:00 AM

I sent you a private message on the forums. Can you see if you got it? Go to Community Forums -> Forums and then there's a link for Private Messages.

avatar image Hybrid. Nov 01 '16 at 03:47 PM

Awesome! Do you have any preferred way for transfering the data?

avatar image Matt.Williams Nov 23 '16 at 04:14 PM

Just giving an update. We are still working on this. We are currently trying to determine if this is related to some issues we've had recording the character in the First Person Template project.

avatar image Hybrid. Nov 23 '16 at 04:52 PM

Alright, thanks for the update!

avatar image Hybrid. Nov 26 '16 at 05:38 PM

Hey Matt, it would be great for our time schedule to know if we will be able to correctly use sequencer for our recordings in the near future. Do you know already if it´s the issue you´ve had with the First Person Template? If not what could it possibly be? :) Best regards, Paul

avatar image Matt.Williams Dec 15 '16 at 04:02 PM

Hi Hybrid,

We tend not to speculate on what release a fix will be a part of...especially when the fix isn't even submitted. However, yes, this does appear to be the same as UE-34289. The "bound to track" errors may be gone in newer builds, but still isn't recorded properly.

-Matt W.

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