If you can’t reproduce the issue locally it may be because the dhx vault and/or rich text editor aren’t included on the same page so pls try with them.
Seems like dhxVault and richtexteditor add an extra property to the class
Unfortunately I was not able to reproduce your issue locally.
The following snippet seems to display correctly for me: https://snippet.dhtmlx.com/ht1dm72v?mode=wide
Please, make sure to update all the dhx components to the latest version.
If the problem still occurs for you please, provide a complete demo, where the problem can be reconstructed locally.
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