In Zoho Creator forms, we display success and error dialog messages during data addition. On embedded forms, this error / success dialog message is displayed close to the top of the form only. So, when you scroll to the bottom of the form, this message can be seen only by scrolling all the way to the top. That is, the message is not displayed in the visible area of the form. 

As a solution, you need to 

1.  Embed a js file using a script tag as shown in the example below:

<script id='zc_external' type='text/javascript' src='http://creator.zoho.com/appcreator/js/embed.js?SRC URL></script>

where the SRC URL is the value of "src" parameter in the iframe you embed. Note that this script should be included before the iframe snippet.

2. Modify the iframe snipper provided by Zoho Creator by adding one more paramenter: id="zohoform".

<iframe height='2600px' id="zohoform" width='100%' name='zoho-formname' frameborder='0' allowTransparency='true' scrolling='auto' src='SRC URL'></iframe>

Doing so will display the notifications in the visible area of your embedded forms. For assistance, mail us: support@zohocreator.com.