Hi Andrei,
Thanks for contacting Syncfusion support.
Based on the provided information, we were able to reproduce the reported issue in Chrome version 66.0.33. However, the issue has been fixed in the latest version of Chrome. We are currently investigating further with the reported issue and will provide details in two business days.
In the meantime, could you please let us know if you were able to upgrade the Chrome version on your end to resolve this error?
Regards,
Ponmani M