When using a ModelAdmin to manage GalleryPages looking for Controller::curr() returns the ModalAdmin instead of the required controller. I suggest pushing the ID the to the GalleryUploadField_ItemHandler since it the correct ID is still availabe at that point
When using a ModelAdmin to manage GalleryPages looking for Controller::curr() returns the ModalAdmin instead of the required controller. I suggest pushing the ID the to the GalleryUploadField_ItemHandler since it the correct ID is still availabe at that point