Facing error in Converting concept into Item structure.

Summary:

We have created a concept structure with child concept components. We also completed setup for PLM Connectors and mapping of product development and innovation management and the setup for item class and connectors is correct.
Still, I am not able to convert concept into Items

Content (please ensure you mask any confidential information):

Regards,
Varun Dave

Version (include the version you are using, if applicable):

26A

Code Snippet (add any code snippets that support your topic, if applicable):