# Help! "Canvas" show error in my phone

**URL:** <https://community.thunkable.com/t/help-canvas-show-error-in-my-phone/974079>\
**Category:** Questions about Thunkable X\
**Created:** [November 14, 2020, 9:46am UTC](https://community.thunkable.com/t/help-canvas-show-error-in-my-phone/974079 "2020-11-14T09:46:32Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![bingojawctg](https://avatars.discourse-cdn.com/v4/letter/b/bbe5ce/32.png) [@bingojawctg](https://community.thunkable.com/u/bingojawctg)\
**Post date:** [November 14, 2020, 9:46am UTC](https://community.thunkable.com/t/help-canvas-show-error-in-my-phone/974079/1 "2020-11-14T09:46:32Z")

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When I add “Canvas” to “Screen1”  
then I use “Live Test” to my phone.  
It show error message as below.  
How can I solve this problem?  
Please help me, thank you.

Error loading page  
Domain: undefined  
Error Code: 3  
Description: SSL error: The certificate authority is not trusted

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<div class="post-metadata">

**Author:** ![ioannis](https://sea1.discourse-cdn.com/flex015/user_avatar/community.thunkable.com/ioannis/32/146956_2.png) [@ioannis](https://community.thunkable.com/u/ioannis)\
**Post date:** [November 8, 2024, 12:21pm UTC](https://community.thunkable.com/t/help-canvas-show-error-in-my-phone/974079/2 "2024-11-08T12:21:40Z")

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