Added a fast error messages for wrong certificate IDs

includes/general.php

@@ -698,6 +698,14 @@
 	function waitForResult($table, $certid, $id = 0, $show = 1)
 	{
 		$found = $trycount = 0;
+		if($certid<=0)
+		{
+			if($show) showheader(_("My CAcert.org Account!"));
+			echo "ERROR: The new Certificate ID is wrong. Please contact support.\n";
+			if($show) showfooter();
+			if($show) exit;
+			return;
+		}
 		while($trycount++ <= 40)
 		{
 			if($table == "gpg")