# error found when send grin coin 

**URL:** <https://forum.grin.mw/t/error-found-when-send-grin-coin/2425>\
**Category:** Tech Support\
**Created:** [January 16, 2019, 9:29pm UTC](https://forum.grin.mw/t/error-found-when-send-grin-coin/2425 "2019-01-16T21:29:29Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![paulzjt](https://avatars.discourse-cdn.com/v4/letter/p/c0e974/32.png) [@paulzjt](https://forum.grin.mw/u/paulzjt)\
**Post date:** [January 16, 2019, 9:29pm UTC](https://forum.grin.mw/t/error-found-when-send-grin-coin/2425/1 "2019-01-16T21:29:29Z")

</div>

environment: Mainet v1.0.0/ubuntu

when I send some coin to 1 wallet node, some error found as below:

> ERROR grin\_wallet::libwallet::api - api:ｐｏｓｔ＿ｔｘ： ｆａｉｌｅｄ ｗｉｔｈ ｅｒｒｏｒ：Client Callback Error:ＰＯｓｔｉｎｇ ｔｒａｎｓａｃｔｏｉｎ ｔｏ ｎｏｄｅ

And in wallet node side, the transaction is always waiting for confirm after 30 minutes, please tell me what happen, thanks.