# What this transform\_entities() error means

**URL:** <https://forums.sketchup.com/t/what-this-transform-entities-error-means/35105>\
**Category:** Ruby API\
**Tags:** error, transform\_entities, entities, transform, transformation\
**Created:** [December 3, 2016, 12:49pm UTC](https://forums.sketchup.com/t/what-this-transform-entities-error-means/35105 "2016-12-03T12:49:14Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![OMDA2000](https://avatars.discourse-cdn.com/v4/letter/o/e9a140/32.png) [@OMDA2000](https://forums.sketchup.com/u/OMDA2000)\
**Post date:** [December 3, 2016, 12:49pm UTC](https://forums.sketchup.com/t/what-this-transform-entities-error-means/35105/1 "2016-12-03T12:49:14Z")

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I tried to apply transformation method to array of entities and got this error  
#\<ArgumentError: All Entities must have a common parent\>

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<div class="post-metadata">

**Author:** ![slbaumgartner](https://sea2.discourse-cdn.com/sketchup/user_avatar/forums.sketchup.com/slbaumgartner/32/7302_2.png) [@slbaumgartner](https://forums.sketchup.com/u/slbaumgartner)\
**Post date:** [December 3, 2016, 1:06pm UTC](https://forums.sketchup.com/t/what-this-transform-entities-error-means/35105/2 "2016-12-03T13:06:39Z")

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