# Fatal Error: Uncaught Error

**URL:** <https://colorlibsupport.com/t/fatal-error-uncaught-error/27802>\
**Category:** Pixova Lite\
**Created:** [February 12, 2021, 6:57pm UTC](https://colorlibsupport.com/t/fatal-error-uncaught-error/27802 "2021-02-12T18:57:52Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![kristy](https://colorlibsupport.com/letter_avatar_proxy/v4/letter/k/4da419/32.png) [@kristy](https://colorlibsupport.com/u/kristy)\
**Post date:** [February 12, 2021, 6:57pm UTC](https://colorlibsupport.com/t/fatal-error-uncaught-error/27802/1 "2021-02-12T18:57:52Z")

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Hello,

I’m getting this error when I try to update the theme:

Fatal error: Uncaught Error: Class ‘WP\_Customize\_Panel’ not found in \*\*\*/class-pixova-custom-panel.php on line 12

The error shows a stack trace too. Please advise.

Thanks!

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<div class="post-metadata">

**Author:** ![colorlibsupport](https://colorlibsupport.com/user_avatar/colorlibsupport.com/colorlibsupport/32/1494_2.png) [@colorlibsupport](https://colorlibsupport.com/u/colorlibsupport)\
**Post date:** [February 15, 2021, 6:46am UTC](https://colorlibsupport.com/t/fatal-error-uncaught-error/27802/2 "2021-02-15T06:46:03Z")

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Hey there

What is the version of the theme? WordPress and version of PHP?