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Unable to add new Expression on SmartForm

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This article was created in response to a support issue logged with K2. The content may include typographical errors and may be revised at any time without notice. This article is not considered official documentation for K2 software and is provided "as is" with no warranties.
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This article has been archived, and/or refers to legacy products, components or features. The content in this article is offered "as is" and will no longer be updated. Archived content is provided for reference purposes only. This content does not infer that the product, component or feature is supported, or that the product, component or feature will continue to function as described herein.

Issue

You may encounter an issue where the 'Add Expression' screen fails to open when you click on the 'Add' toolbar icon.

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Symptoms

This issue occurs on all Views and Forms.

Troubleshooting Steps

To resolve the issue, please clear the browser cache and try adding the expression again.