# 400302 (InvalidAccessToken)

**URL:** <https://community.sendbird.com/t/400302-invalidaccesstoken/3003>\
**Category:** Android\
**Tags:** chatsdk\
**Created:** [September 1, 2021, 11:02am UTC](https://community.sendbird.com/t/400302-invalidaccesstoken/3003 "2021-09-01T11:02:48Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![vishnu\_borra](https://sea2.discourse-cdn.com/flex020/user_avatar/community.sendbird.com/vishnu_borra/32/1589_2.png) [@vishnu\_borra](https://community.sendbird.com/u/vishnu_borra)\
**Post date:** [September 1, 2021, 11:02am UTC](https://community.sendbird.com/t/400302-invalidaccesstoken/3003/1 "2021-09-01T11:02:48Z")

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How can I resolve 400302 (InvalidAccessToken) error though connection is made by following the guidelines given in sendbird documentation. It occurs on less frequency.

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**Author:** ![Jerry\_Jeon](https://sea2.discourse-cdn.com/flex020/user_avatar/community.sendbird.com/jerry_jeon/32/1423_2.png) [@Jerry\_Jeon](https://community.sendbird.com/u/Jerry_Jeon)\
**Post date:** [September 2, 2021, 12:15am UTC](https://community.sendbird.com/t/400302-invalidaccesstoken/3003/2 "2021-09-02T00:15:34Z")

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Hello @vishnu_borra  
Could you check that you’re refreshing token when token is expired?

Jerry