QAF Flutter driver is trying to click on element that is not present and get's stuck there

Question

This is how element is defined

@FindBy(locator = "flutter-valuekey=xxx")
public FlutterElement btnPost;

And then I'm just doing

btnPost.click();

Following is the log from appium. I can see that there is an expeception.

Below is the console log

After this, the execution doesn't proceed and gets stuck there