# VMExecutionFailed - (invalid function (not found)) on Bitcoin.me Portfolio

**URL:** <https://forum.klever.org/t/vmexecutionfailed-invalid-function-not-found-on-bitcoin-me-portfolio/4371>\
**Category:** Defi Bitcoin.me\
**Created:** [April 16, 2026, 3:34pm UTC](https://forum.klever.org/t/vmexecutionfailed-invalid-function-not-found-on-bitcoin-me-portfolio/4371 "2026-04-16T15:34:07Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![xetib\_abak](https://dub1.discourse-cdn.com/flex013/user_avatar/forum.klever.org/xetib_abak/32/800_2.png) [@xetib\_abak](https://forum.klever.org/u/xetib_abak)\
**Post date:** [April 16, 2026, 3:34pm UTC](https://forum.klever.org/t/vmexecutionfailed-invalid-function-not-found-on-bitcoin-me-portfolio/4371/1 "2026-04-16T15:34:07Z")

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Hi everyone,

​I am encountering an error while trying to update/claim my rewards on the [Bitcoin.me](http://Bitcoin.me) (dex) exchange via Klever Wallet.

​When I click the “Update” button, I receive the following error message:

**“validation error: invalid argument: VMExecutionFailed - (invalid function (not found))”**

​The dashboard also shows the message: _“Rewards is outdated. Update your rewards to keep earning.”_

​I have already checked for app updates, but the issue persists. Could you please help me understand why this function is not being found or if there is a synchronization issue with the smart contract?

​ **My Setup:**

- ​ **Platform:** Klever Wallet (Mobile Browser)

- ​ **Site:** [Bitcoin.me DeFI](http://bitcoin.me/portfolio)

- ​ **Date of Issue:** April 15-16, 2026

​Thank you in advance for your support

 ![Notes_260416_183236](https://europe1.discourse-cdn.com/flex013/uploads/klever/original/2X/8/82b7b973c6c20ef97e642d936c3bfb7dabad4e3b.jpeg)

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**Author:** ![Bruno\_Pinheiro](https://dub1.discourse-cdn.com/flex013/user_avatar/forum.klever.org/bruno_pinheiro/32/3203_2.png) [@Bruno\_Pinheiro](https://forum.klever.org/u/Bruno_Pinheiro)\
**Post date:** [April 16, 2026, 6:34pm UTC](https://forum.klever.org/t/vmexecutionfailed-invalid-function-not-found-on-bitcoin-me-portfolio/4371/2 "2026-04-16T18:34:53Z")

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We’re already working on it. Users just aren’t able to claim their rewards, but the rewards are still accumulating.

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**Author:** ![Maik](https://dub1.discourse-cdn.com/flex013/user_avatar/forum.klever.org/maik/32/33_2.png) [@Maik](https://forum.klever.org/u/Maik)\
**Post date:** [April 17, 2026, 6:23pm UTC](https://forum.klever.org/t/vmexecutionfailed-invalid-function-not-found-on-bitcoin-me-portfolio/4371/4 "2026-04-17T18:23:10Z")

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This was already posted yesterday