# "Cannot set property 'segment' of undefined" being thrown on XY Chart

**URL:** <https://forum.inductiveautomation.com/t/cannot-set-property-segment-of-undefined-being-thrown-on-xy-chart/23394>\
**Category:** Ignition Early Access\
**Created:** [March 15, 2019, 9:03pm UTC](https://forum.inductiveautomation.com/t/cannot-set-property-segment-of-undefined-being-thrown-on-xy-chart/23394 "2019-03-15T21:03:38Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![cmallonee](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/cmallonee/32/6416_2.png) [@cmallonee](https://forum.inductiveautomation.com/u/cmallonee)\
**Post date:** [March 15, 2019, 9:27pm UTC](https://forum.inductiveautomation.com/t/cannot-set-property-segment-of-undefined-being-thrown-on-xy-chart/23394/2 "2019-03-15T21:27:47Z")

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A post was merged into an existing topic: [[BUG-13155] Property bound historic data on XY chart blows up on bindings change](https://forum.inductiveautomation.com/t/bug-13155-property-bound-historic-data-on-xy-chart-blows-up-on-bindings-change/23003)

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