# ERROR: Part of your app is not valid

**URL:** <https://forum.dimagi.com/t/error-part-of-your-app-is-not-valid/7222>\
**Category:** Users\
**Created:** [January 31, 2020, 9:52am UTC](https://forum.dimagi.com/t/error-part-of-your-app-is-not-valid/7222 "2020-01-31T09:52:09Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![Clayton\_Sims](https://dimagi.b-cdn.net/user_avatar/forum.dimagi.com/clayton_sims/32/496_2.png) [@Clayton\_Sims](https://forum.dimagi.com/u/Clayton_Sims)\
**Post date:** [May 22, 2020, 1:43pm UTC](https://forum.dimagi.com/t/error-part-of-your-app-is-not-valid/7222/4 "2020-05-22T13:43:35Z")

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Hi Hailey,

Are your users running with older (Android 4) devices?

If you are having issues with login or sync on older devices, we pushed a recent change to the play store to address issues with insufficient native SSL support on those old devices.

You can read more here: [https://forum.dimagi.com/t/commcare-2-48-7-point-release/7488](https://forum.dimagi.com/t/commcare-2-48-7-point-release/7488)

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_[View the full topic](https://forum.dimagi.com/t/error-part-of-your-app-is-not-valid/7222)._