https://support.esri.com/fr-fr/bug/attachments-cannot-be-added-to-a-hosted-feature-service-bug-000096286
BUG-000096286 for ArcGIS Online
Attachments cannot be added to a hosted feature service published with a GlobalID field if the attachment is enabled in ArcGIS Online.
bugarcgisonline
https://support.esri.com/pt-br/bug/attachments-cannot-be-added-to-a-hosted-feature-service-bug-000096286
BUG-000096286 for ArcGIS Online
Attachments cannot be added to a hosted feature service published with a GlobalID field if the attachment is enabled in ArcGIS Online.
bugarcgisonline