Unable to find unused trait pair after 20 retries!!!

[aminebidda]

Trying to generate 50 NFT But I get Stock with this message on the firebase terminal:

Unable to find unused trait pair after 20 retries. generated trait value pairs: [object Object] no composite data

The art consists of 7 layers and every layer have 7 example

[skeletoncrewrip]

are any marked as not being part of duplicate detection?

[aminebidda]

are any marked as not being part of duplicate detection?

nope, The problem is I get separate traits
not as NFT