I am getting below error trying app duplicate.
Save copy error
No such object: thunkable-x-production/users/5bb39d865549021f12fd55b9/projects/5e11771f97493b16eaf47377/assets/5f1d30c3fbb5b180ddc954c5
Hey @dro 
Sorry for the hassle with that.
I’ve fixed your projects assets for you now - can you take a look and let me know if that resolved the issue for you.
Thanks.