Invoke-PnPSiteTemplate - the field was found invalid

I am trying to apply a pnp site template using the PnP PowerShell. It is failing for two of my customers, but works on my machine frustratingly.

It fails with a 'field was found invalid' error, I have checked the template thoroughly and I cannot find any culprits.

WARNING: ListInstance Style Library is a Style Library of a site with NoScript enabled and will be skipped
Failed to configure the SharePoint site {0} The field was found invalid:
At C:\Users\adm_e606495\Desktop\New folder\Source\Scripts\deploy.ps1:671 char:9

• throw('Failed to configure the SharePoint site {0}', $_.Excep ...
• CategoryInfo : OperationStopped: (System.Object[]:Object[]) [], RuntimeException
• FullyQualifiedErrorId : Failed to configure the SharePoint site {0} The field was found invalid:

This worked a while ago but suddenly seems to have stopped working, I have tried previous versions of PnP PowerShell (back to 1.8.0) with the same issue.

Any ideas?

Thanks

Start with the Invoke-PnPSiteTemplate entry point and the deploy.ps1 call at line 671, then reproduce the failure using the affected site template and a customer environment. The issue does not include the template or identify the invalid field, so the work is complete only when the failing field and a reliable fix or reproduction are documented.