Hi Eusébio,
Thanks for contacting Syncfusion support.
Based on your query we found that you have faced some script error while performing edit operation in Grid. So, before proceeding this please share below details then only we provide the appropriate solution as soon as possible.
1. Share your issue reproducing scenario briefly?
2. Video demonstration of your issue.
3. Which type of edit mode are your using in your application.
4. Complete Grid rendering code.
5. Syncfusion package version.
6. Are you binding local data or remote data to the Grid.
Please get back to us, if you need any further assistance.
Regards,
Thiyagu S