# Bitcoin network failed because of an error:

**URL:** <https://bisq.community/t/bitcoin-network-failed-because-of-an-error/11698>\
**Category:** Support\
**Created:** [September 25, 2022, 8:48pm UTC](https://bisq.community/t/bitcoin-network-failed-because-of-an-error/11698 "2022-09-25T20:48:38Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![bisqcogiendo](https://bisq.community/letter_avatar/bisqcogiendo/32/5_5575768a8748004e209b776fc1b2916d.png) [@bisqcogiendo](https://bisq.community/u/bisqcogiendo)\
**Post date:** [September 25, 2022, 8:48pm UTC](https://bisq.community/t/bitcoin-network-failed-because-of-an-error/11698/1 "2022-09-25T20:48:38Z")

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“Warning: Connection to the Bitcoin network failed because of an error: java.lang.IllegalStateException: Expected PENDING or IN\_CONFLICT, was BUILDING.”

I have deleted the old files, but it doesn’t work.  
any advice?  
.

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**Author:** ![Pazza](https://bisq.community/user_avatar/bisq.community/pazza/32/2703_2.png) [@Pazza](https://bisq.community/u/Pazza)\
**Post date:** [September 26, 2022, 9:10am UTC](https://bisq.community/t/bitcoin-network-failed-because-of-an-error/11698/2 "2022-09-26T09:10:12Z")

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I would first make a backup : [Backing up application data - Bisq Wiki](https://bisq.wiki/Backing_up_application_data)

and then do an SPV resync: [Resyncing SPV file - Bisq Wiki](https://bisq.wiki/Resyncing_SPV_file)