For reasons such as this file is not a self-made material (such as the material was downloaded by searching for material) you can not set permissions.
Can not be used for the synchronization of the material has not been set.
To use please change the settings to use the synchronization from cloud setting screen of the material.
Can not be used for the synchronization of the material has not been completed.
For more information"Cloud use guide"Please refer to the。
OK