Appian throws the following error when attempting to view a form that contains the File Upload Component:
Error Evaluating UI Expression
This error occurs when viewing a form in Appian 18.1 on an Android mobile device. The error modal prevents the user from using the form or taking any further action in the mobile application.
The following is an example of the error received when attempting to open the form from the Actions tab:
This issue has been resolved via AN-104680 in the following Appian hotfixes/versions:
Apply the latest hotfix for your Appian version.
This article applies to Appian 18.1.
Last Reviewed: July 2018
© 2019 Appian. All rights reserved.