# An error occurred at task

**URL:** <https://bisq.community/t/an-error-occurred-at-task/9321>\
**Category:** Support\
**Created:** [April 20, 2020, 1:07pm UTC](https://bisq.community/t/an-error-occurred-at-task/9321 "2020-04-20T13:07:10Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![anon](https://bisq.community/letter_avatar/anon/32/6_22734026db12803ebb3e059622ac3534.png) [@anon](https://bisq.community/u/anon)\
**Post date:** [April 20, 2020, 1:07pm UTC](https://bisq.community/t/an-error-occurred-at-task/9321/1 "2020-04-20T13:07:10Z")

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I’ve had no problems trading with BISQ since before 1.3.1. Today I tried to purchase bitcoin and after the offer was accepted got the following error:

An error occurred at task: BuyerVerifiesPreparedDelayedPayoutTx  
Donation address is invalid.

I had a look through this website for solutions but its not clear, what do I have to do? This is the biggest trade I’ve done through BISQ and it’s backfired.

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**Author:** ![anon](https://bisq.community/letter_avatar/anon/32/6_22734026db12803ebb3e059622ac3534.png) [@anon](https://bisq.community/u/anon)\
**Post date:** [April 20, 2020, 1:08pm UTC](https://bisq.community/t/an-error-occurred-at-task/9321/2 "2020-04-20T13:08:10Z")

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Also the “get support” button on the trade doesnt work.  
Mediator: wizrsmceorm4bisq.onion

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**Author:** ![huey](https://bisq.community/letter_avatar/huey/32/6_22734026db12803ebb3e059622ac3534.png) [@huey](https://bisq.community/u/huey)\
**Post date:** [April 20, 2020, 3:00pm UTC](https://bisq.community/t/an-error-occurred-at-task/9321/3 "2020-04-20T15:00:20Z")

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Follow this guide: [https://bisq.wiki/Find\_your\_mediator](https://bisq.wiki/Find_your_mediator)