Probably. You have not really described why you "can't create" - no error message or description
But I think I can guess. The Confluence create routine relies on sending basic details to a JIRA system. It has to assume a standard set up. But, I suspect you have made the project in JIRA require more than the standard fields. Confluence cannot handle that, because it does not know what may be mandatory.
You'll need to remove the mandatory flags from the fields in the JIRA project to enable Confluence to create them.
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