# Error 400

\
**1)** Make sure both your browser of choice and your wallet version is up to date

**2)** Disable any adblocker programs

**3)** Disable any and all VPNs

**4)** Disconnect and reconnect wallet

**5)** Unset wallet collateral and ctrl+f5

**6)** Reset wallet collateral and ctrl+f5

**7)** Restart your browser

**8)** Restart your machine\
\
Or 

*This error could be due to congestion. Try again or wait some time before submitting the order.*

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Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.