This error "Error: Browser not ready - Please increase App ready timeout" occurs due to the given time is not enough to wait for completion of page navigation. You should give some large no with the current timeout value.
You can search the string "failed" in the web page. Try to identify that object (web page text - 10 objects failed) by window identifiers. I think, it should be HtmlText or HtmlHeading. You can give physical description directly like below..
</font><blockquote><font size="1" face="Verdana, Arial, Helvetica">code:</font><hr /><pre style="font-size:x-small; font-family: monospace;">if BrowserWindow.HtmlText("*failed*".exists(10)
Print ("Import has failed.."
Print ("Successfully imported.."</pre><hr /></blockquote><font size="2" face="Verdana, Arial, Helvetica">You can use print statement or write into one log file.