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Support Article

Object doesn't support property or method 'attachEvent'



When clicking on a link to create work an error appears.

Error Messages

Object doesn't support property or method 'attachEvent'

Steps to Reproduce

Click link

Root Cause

This application was using an older ActionSection_HelpButton HTML migrated from an older CPM 6 version.


Updating this HTML with a modern version from Customer Service based on Pega 7 has new refactored code to replace the deprecated attachEvent.

Published May 5, 2017 - Updated October 8, 2020

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