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Invalid postback or callback argument


When submitting a Responsive Form in Office 365 using Google Chrome, the following error is presented:
User-added image


-Evaluate your controls that render as drop down lists
-Ensure that there are no 'white spaces' following any of the choices available in this drop-down list

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Error Code

Invalid postback or callback argument.

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Version history
Revision #:
5 of 5
Last update:
‎09-09-2019 02:09 PM
Updated by: