> For the complete documentation index, see [llms.txt](https://archer-bot.gitbook.io/archer.bot/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://archer-bot.gitbook.io/archer.bot/troubleshooting/common-dapp-errors.md).

# Common dApp Errors

When you connect your Archer wallet to an external app over WalletConnect, that app runs its own interface and error handling. Sometimes the app shows an error that does not reflect what Archer actually does. If you approve a request in the Archer modal, Archer signs and submits it on-chain regardless of what the app's screen says. Check the receipt link Archer shows after signing to confirm the result.

## Aave

Aave's app may display "There was some error. Please try changing the parameters" on its own modal when you start a supply, borrow, or repay, even though the request reached Archer and can be approved normally. This is usually Aave's own wallet-client handling, and it is more likely when several browser wallet extensions (for example MetaMask, Rabby, or HashPack) are installed at once and compete for the page's wallet provider.

What to do:

1. Approve the request in the Archer modal as usual. Archer signs and submits it.
2. Check the receipt link Archer shows after signing to confirm it went through.
3. If Aave keeps erroring, try a browser profile with other wallet extensions disabled.


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