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Support Article

Error: FUAInstance-NullMyStepPage when adding Button/Link event



The user cannot add an event to a button or link.


A processing error has occurred
Object Key
Error Message:
The reference .pxObjClass=="Embed-SelectedContextApI-Refresh" is not valid.
Reason: FUAInstance-NulMyStepPage

Error occur always

Steps to Reproduce

1. Create a new section.
2. Add a button to a layout.
3. Open the behavior panel.
4. Try to append an event to the button (eg. OnClick).

Root Cause

Step page is null while trying to add event to button control.


This issue is resolved by hotfix item HFix-21819

Published May 6, 2016 - Updated October 8, 2020

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