Issue with handling transaction failures in flutter_injected_web3

[flutterdevcodiste]

I'm encountering an issue while using the signTransactions method from the flutter_injected_web3 package (version 1.0.1). When attempting transactions on PancakeSwap, if the transaction fails, it results in a runtime error "null is not subtype of string".

Here's the method I'm using:

Future<String> signTransactions({required BuildContext context, required InAppWebViewController controller, required JsTransactionObject data, required int chainId}) async {
    try { 
       // return cubit.signTransaction();
       return "0x45fb0060681bf5d8ea675ab0b3f76aa15c84b172f2fb3191b7a8ceb1e6a7f372";
    } catch (e) {
      return "";
    }
  }

I need guidance on how to properly handle this error to prevent the runtime crash. Specifically, I'd like to know:

• How can I identify when a transaction fails using flutter_injected_web3?
• What is the appropriate way to handle transaction failures to avoid runtime errors like the one mentioned above?

Any assistance or guidance on resolving this issue would be greatly appreciated. Thank you!