[QA] Transaction failed with "ERC20: transfer amount exceeds balance" error

[tsadovska]

Describe the current behavior in detail

Issue noticed only once on https://portalbridge.com/.

Steps:

1. Prepare to send USDC from Polygon (MetaMask) to Solana (Phantom)
2. Click on "max" to send all available USDC from Polygon (In my case, 215.330093)
3. Click on "Review transaction" button
4. Click on "Confirm transaction" button

Actual result: Transaction fails.
Expected result: Transaction completes without errors.

Attachments

Wormhole Connect: error completing transfer Error: execution reverted: "ERC20: transfer amount exceeds balance" (action="estimateGas", data="0x08c379a00000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002645524332303a207472616e7366657220616d6f756e7420657863656564732062616c616e63650000000000000000000000000000000000000000000000000000", reason="ERC20: transfer amount exceeds balance", transaction={ "data": "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", "from": "0x9631288F4050F7CFbf77B77f8540DeCF6cfC7012", "to": "0x0654874eb7F59C6f5b39931FC45dC45337c967c3" }, invocation=null, revert={ "args": [ "ERC20: transfer amount exceeds balance" ], "name": "Error", "signature": "Error(string)" }, code=CALL_EXCEPTION, version=6.13.5)
    at makeError (pb-index-DkZaRbs1.js:267:20032)
    at getBuiltinCallException (pb-index-DkZaRbs1.js:268:108727)
    at Ku.getBuiltinCallException (pb-index-DkZaRbs1.js:268:109700)
    at pc.getRpcError (pb-index-DkZaRbs1.js:268:214129)
    at pc.getRpcError (evm-DvlAO_-c-CiSj58kC.js:7:1686)
    at pb-index-DkZaRbs1.js:268:218070

Notes

• Correct USDC amount is shown in MetaMask.

• Transfer is not initiated.

• Source and destination wallet account: 0x9631288F4050F7CFbf77B77f8540DeCF6cfC7012.

• Transaction started successfully from the second attempt.

Screen.Recording.2025-02-28.at.11.57.08.mov