# Electrs Error: Contact Developer

**URL:** <https://community.umbrel.com/t/electrs-error-contact-developer/6358>\
**Category:** Support and Troubleshooting\
**Created:** [February 17, 2022, 7:23pm UTC](https://community.umbrel.com/t/electrs-error-contact-developer/6358 "2022-02-17T19:23:25Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Sneckel](https://avatars.discourse-cdn.com/v4/letter/s/e495f1/32.png) [@Sneckel](https://community.umbrel.com/u/Sneckel)\
**Post date:** [February 17, 2022, 7:23pm UTC](https://community.umbrel.com/t/electrs-error-contact-developer/6358/1 "2022-02-17T19:23:25Z")

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Hello,

I have this error:

[2022-02-17T19:14:48.056Z INFO electrs::electrum] your wallet uses less efficient method of querying electrs, consider contacting the developer of your wallet. Reason: blockchain.scripthash.get\_history called for unsubscribed scripthash: 592fd3440eb70e04c5fe0f94fad41150a3d4da42bbf6ecfe12388058818

Mempool explorer is not working.

0.4.14. 8GB

Thanks,

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**Author:** ![DarthCoin](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.umbrel.com/darthcoin/32/1628_2.png) [@DarthCoin](https://community.umbrel.com/u/DarthCoin)\
**Post date:** [February 17, 2022, 11:01pm UTC](https://community.umbrel.com/t/electrs-error-contact-developer/6358/2 "2022-02-17T23:01:03Z")

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remove mempool app  
restart node  
wait for electrs to finish indexing  
install mempool again  
done