Error uploading entities

[aouellet]

I'm attempting to upload a variety of entities to my instance, but keep hitting an error. 

See attached. 

I'm attempting to upload to a cloud portal isntance: https://pp-1909092003t5.portal.ptc.io/Thingworx/Composer/index.html

[posipova]

Go to Monitoring -> Application log to see more detailed errors.