Custom error from library not decoding

[antazoey]

getting ape.exceptions.ContractLogicError: 0x7939f424
on a SafeTransferLib.safeTransferFrom() call

from import:

import {SafeTransferLib} from "solady/utils/SafeTransferLib.sol";

[linear]

APE-1931 Custom error from library not decoding

[antazoey]

You can see the actual error in Forge's output

    ├─ [6751] DepositVault::deposit(0x7E5F4552091A69125d5DfCb7b8C2659029395Bdf, 0x7E5F4552091A69125d5DfCb7b8C2659029395Bdf, MockERC20: [0x5b73C5498c1E3b4dbA84de0F1833c4a029d90519], 500000000000000000000 [5e20])
    │   ├─ [5100] MockERC20::transferFrom(0x7E5F4552091A69125d5DfCb7b8C2659029395Bdf, DepositVault: [0x90193C961A926261B756D1E5bb255e67ff9498A1], 500000000000000000000 [5e20])
    │   │   └─ ← [Revert] InsufficientAllowance()
    │   └─ ← [Revert] TransferFromFailed()
    └─ ← [Revert] TransferFromFailed(