# App signing certificate issue

**URL:** <https://community.thunkable.com/t/app-signing-certificate-issue/43902>\
**Category:** Questions about Thunkable X\
**Created:** [August 29, 2018, 1:15pm UTC](https://community.thunkable.com/t/app-signing-certificate-issue/43902 "2018-08-29T13:15:59Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Loh\_Jordan](https://avatars.discourse-cdn.com/v4/letter/l/b19c9b/32.png) [@Loh\_Jordan](https://community.thunkable.com/u/Loh_Jordan)\
**Post date:** [August 29, 2018, 1:15pm UTC](https://community.thunkable.com/t/app-signing-certificate-issue/43902/1 "2018-08-29T13:15:59Z")

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Hi all,

I published my android app on thunkable classic recently and would like to move to X to publish, but i got the error below. anyone knows how to fix this?

 ![image](https://us1.discourse-cdn.com/flex015/uploads/thunkable/original/3X/6/5/650023d3dd61ea40898103f9c773aebfda863b59.png)

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**Author:** ![Loh\_Jordan](https://avatars.discourse-cdn.com/v4/letter/l/b19c9b/32.png) [@Loh\_Jordan](https://community.thunkable.com/u/Loh_Jordan)\
**Post date:** [August 30, 2018, 11:18am UTC](https://community.thunkable.com/t/app-signing-certificate-issue/43902/2 "2018-08-30T11:18:43Z")

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Anybody can assist for this? Thanks!

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**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, 12:00pm UTC](https://community.thunkable.com/t/app-signing-certificate-issue/43902/3 "2024-11-08T12:00:31Z")

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