# Upgrade Issues 7.9.12 to 7.9.14

**URL:** <https://forum.inductiveautomation.com/t/upgrade-issues-7-9-12-to-7-9-14/35085>\
**Category:** Ignition\
**Tags:** ignition79\
**Created:** [May 27, 2020, 3:14pm UTC](https://forum.inductiveautomation.com/t/upgrade-issues-7-9-12-to-7-9-14/35085 "2020-05-27T15:14:12Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![Plantformance](https://avatars.discourse-cdn.com/v4/letter/p/b77776/32.png) [@Plantformance](https://forum.inductiveautomation.com/u/Plantformance)\
**Post date:** [June 10, 2020, 6:42pm UTC](https://forum.inductiveautomation.com/t/upgrade-issues-7-9-12-to-7-9-14/35085/4 "2020-06-10T18:42:01Z")

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Posted a workaround here

> [@7.9.14 Issues with Template Canvas Parameters](http://forum.inductiveautomation.com/t/7-9-14-issues-with-template-canvas-parameters/34780):
>
> Looks like something changed between 7.9.13 and 7.9.14 in the way template parameters are handled in the Template Canvas component. The template parameters as shown in the image used to work in 7.9.13 It works as expected in 8.0.13 Nightly [image] The template parameters were created using the Template Customizer. I get the following errors: WARN Vision.TemplateCanvas - Unable to set template property value on template zzz java.lang.ClassCastException: Cannot coerce value 'true' into type…

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