# Possible physics constraint bug

**URL:** <https://forums.unrealengine.com/t/possible-physics-constraint-bug/420624>\
**Category:** World Creation\
**Tags:** physics-constraints, unreal-engine, bug-report, question\
**Created:** [March 23, 2018, 4:08am UTC](https://forums.unrealengine.com/t/possible-physics-constraint-bug/420624 "2018-03-23T04:08:36Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![kevterm](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@kevterm](https://forums.unrealengine.com/u/kevterm)\
**Post date:** [March 23, 2018, 4:08am UTC](https://forums.unrealengine.com/t/possible-physics-constraint-bug/420624/1 "2018-03-23T04:08:36Z")

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A physics constraint problem seems to occur in 4.19 but not 4.18.3. See the following post for details:

> **[Physics constraint strange behavior](https://forums.unrealengine.com/questions/770657/physics-constraint-strange-behavior.html)**
>
> Hi everyone, I have this strange problem with physics constraints. Attached is a simple project which demonstrates the problem. The scene contains 2 actors: a cable actor with a physics constraint component and a sphere static mesh actor. The sphere...

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**Author:** ![Jeff\_A](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@Jeff\_A](https://forums.unrealengine.com/u/Jeff_A)\
**Post date:** [March 26, 2018, 7:38pm UTC](https://forums.unrealengine.com/t/possible-physics-constraint-bug/420624/2 "2018-03-26T19:38:11Z")

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Hello,

We’ve recently made a switch to a new bug reporting method using a more structured form. Please visit the link below for more details and report the issue using the new Bug Submission Form. Feel free to continue to use this thread for community discussion around the issue.

[https://forums.unrealengine.com/unreal-engine/announcements-and-releases/1410408-unreal-engine-bug-submission-form](https://forums.unrealengine.com/unreal-engine/announcements-and-releases/1410408-unreal-engine-bug-submission-form)

Thanks

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<div class="post-metadata">

**Author:** ![kevterm](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@kevterm](https://forums.unrealengine.com/u/kevterm)\
**Post date:** [March 27, 2018, 1:28am UTC](https://forums.unrealengine.com/t/possible-physics-constraint-bug/420624/3 "2018-03-27T01:28:00Z")

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Thank you Jeff. I already did and it is now [UE-56479](https://issues.unrealengine.com/issue/UE-56479).