# Internet identity integrate issue

**URL:** <https://forum.dfinity.org/t/internet-identity-integrate-issue/4628>\
**Category:** Developers\
**Created:** [June 1, 2021, 6:37pm UTC](https://forum.dfinity.org/t/internet-identity-integrate-issue/4628 "2021-06-01T18:37:40Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![ccyanxyz](https://sea1.discourse-cdn.com/flex023/user_avatar/forum.dfinity.org/ccyanxyz/32/1025_2.png) [@ccyanxyz](https://forum.dfinity.org/u/ccyanxyz)\
**Post date:** [June 1, 2021, 6:37pm UTC](https://forum.dfinity.org/t/internet-identity-integrate-issue/4628/1 "2021-06-01T18:37:40Z")

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I deployed the internet identity canister in a local replica, try to integrate it with my application, but I often get this error:

 ![Screen Shot 2021-06-02 at 2.25.26 AM](https://us1.discourse-cdn.com/flex023/uploads/dfn/original/2X/a/abb3f1a6efff620b57d51208bd6fecbe7fb58058.png)

Anyone know how to fix this?

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**Author:** ![Hazel](https://avatars.discourse-cdn.com/v4/letter/h/e56c9b/32.png) [@Hazel](https://forum.dfinity.org/u/Hazel)\
**Post date:** [June 1, 2021, 6:56pm UTC](https://forum.dfinity.org/t/internet-identity-integrate-issue/4628/2 "2021-06-01T18:56:12Z")

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Are you deploying it with:

`II_ENV=development dfx deploy --no-wallet --argument '(null)'`

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<div class="post-metadata">

**Author:** ![ccyanxyz](https://sea1.discourse-cdn.com/flex023/user_avatar/forum.dfinity.org/ccyanxyz/32/1025_2.png) [@ccyanxyz](https://forum.dfinity.org/u/ccyanxyz)\
**Post date:** [June 2, 2021, 6:11am UTC](https://forum.dfinity.org/t/internet-identity-integrate-issue/4628/3 "2021-06-02T06:11:35Z")

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> [@Hazel](#):
>
> II\_ENV=development dfx deploy --no-wallet --argument ‘(null)’

Problem fixed, thanks!