> For the complete documentation index, see [llms.txt](https://docs.vechainkit.vechain.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.vechainkit.vechain.org/vechain-kit-v1.x/vechain-kit/troubleshooting/integration-issues.md).

# Integration Issues

Runtime and functionality problems that occur when integrating VeChain Kit into your application.

### Common Problems

* Fee delegation conflicts with existing setup
* Browser popup blocking for social login users
* Transaction failures due to configuration issues
* Signing delays causing security restrictions

### Quick Fixes

* **Remove existing fee delegation** before using VeChain Kit's delegation
* **Pre-fetch data** before triggering transactions to avoid popup blocking
* **Check configuration** for proper delegation settings

### Issues in This Section

[Fee Delegation](/vechain-kit-v1.x/vechain-kit/troubleshooting/integration-issues/fee-delegation.md)

Resolving conflicts when migrating from existing fee delegation setups and configuring VeChain Kit's delegation properly.

#### [Privy Popup Blocking](#privy-popup-blocking)

Preventing browser popup blocking for social login users by properly structuring transaction flows.

***

**Can't find your issue?** Search our [GitHub Issues](https://github.com/vechain/vechain-kit/issues) or ask on [Discord](https://discord.com/invite/vechain).


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