Hi Alejandro,
We regret for the inconvenience caused.
In order to resolve the reported issue please migrate your projects to 12.4.0.24 version.
Please follow the steps given in the below KB article to migrate your projects.
http://help.syncfusion.com/ug/common/index.html#!Documents/projectmigration.htm Please let us know if you need any further assistance on this.
Regards,
Manivannan S.