> For the complete documentation index, see [llms.txt](https://docs.bundlefren.com/v1/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.bundlefren.com/v1/troubleshooting/bundle-simulation-errors.md).

# Bundle Simulation Errors

### Common Error Messages

<table data-full-width="true"><thead><tr><th>Error/Revert Message</th><th>Potential Causes</th><th>Solution</th></tr></thead><tbody><tr><td>Invalid Inclusion</td><td>Bundle was submitted too late to be included in the current block.</td><td>Retry after a few seconds.</td></tr><tr><td>Tx Failed</td><td>Incorrect open trading function</td><td>Ensure the function you selected matches the one in your contract.</td></tr><tr><td>TransferHelper: TRANSFER_FROM_FAILED</td><td>Insufficient Token balance in the contract </td><td>Ensure the contract has been sent enough Tokens to execute the liquidity addition.</td></tr><tr><td>UniswapV2Router: EXCESSIVE_INPUT_AMOUNT</td><td>Incorrect initial ETH or Token liquidity percentage</td><td>Your 'Initial Token Liquidity %' might be too high, or the ETH liquidity entered doesn't match the amount in your contract (for preloaded contracts). Double-check your inputs or contact us for support if needed.</td></tr><tr><td>UniswapV2Library: INSUFFICIENT_LIQUIDITY</td><td>Liquidity has not been added to a non preloaded contract or the token pair been attacked with WETH.</td><td>Add liquidity before opening trading. If the token pair has been attacked with WETH, contact our team for support.</td></tr><tr><td>UniswapV2: TRANSFER_FAILED</td><td>Exceeding max transaction or max wallet limit</td><td>Ensure the max transaction set in your bundle does not exceed the max transaction limits in your contract.</td></tr><tr><td>ds-math-sub-underflow</td><td>Insufficient ETH balance in the contract</td><td>Ensure the contract has enough ETH to perform the liquidity addition.</td></tr></tbody></table>

### Need More Help?

If you are still experiencing issues, feel free to [contact us on Telegram](https://t.me/bundlefren) or check out the [step by step guide ](https://bundlefren.gitbook.io/docs/bundle-setup/token-details)for further details.