Hi Carlos,
Thanks for contacting Syncfusion support.
Query: “Today I realized this icon is not shown, it displays a box icon (E897) . What could be the reason ?”
For the above query we suspect that the CSS is not properly referred in your application. We checked in our sample but we did not face the mentioned issue in our sample.
For your convenience we have attached the sample and please refer the sample from the below link
Screenshot:
If still facing the issue, please share below details then only we provide appropriate as soon as possible.
1. Share issue reproducing sample or reproduce the issue in above sample
2. Have you used any external style customization in your application.
3. Syncfusion package version.
Please get back to us, if you need any further assistance.
Regards,
Thiyagu S.