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Possessable Actors in Level Sequencer go missing when updating anything on the blueprint itself.

Hi Epic People! I ran into a bit o a problem that may be a bug in Level Sequencer (v.4.14).

I have A LOT of Level Sequences (I use them for in-game cinematics) with Possessable Actors referenced in them.

Unfortunately if I change/add/update any variable in the original BP of the instance possessed by the Level Sequencer, the Possessable Actor inside the Sequence go missing. ("the object bound to this track is missing").

This means that I have to manually re-set the possessable actor in EVERY Level Sequence using it!

Do you have some workaround for this problem?

Thanks in advance!

Product Version: UE 4.14
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asked May 23 '17 at 04:08 PM in Bug Reports

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We ran into similar issues internally and so we changed how the bindings mechanism works for 4.16. You might want to try and upgrade to that when it comes out (soon).

Basically, what you'll want to do once you upgrade to 4.16 is to run this menu item once on each level sequence, "Rebind Possessable References". That should upgrade the bindings mechanism to the new one and should be much more stable. In 4.16 any new bindings that you create will be with the new mechanism.

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answered May 23 '17 at 05:28 PM

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Max.Chen STAFF
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avatar image Q-tro May 24 '17 at 07:18 AM

Good to know that you have addressed this issue.

Unfortunately migrating ALL my project to another version is pretty impractical for design reasons :/

I was wondering though if there is a workaround for this in 4.14. Any insight would be much appreciated!

avatar image Q-tro Mar 20 '18 at 09:02 AM

Just to let you know that in the end we DID migrate to 4.18, and this problem pretty much disappeared. Thank you

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