Error occurred while validating HTTP header: If-None-Match

[esouyeaux]

Hi,

I'm working on ThingWorx 7.1 localhost and the composer is loading forever. I've checked the ApplicationLogs file and the error is "Error occurred while validating HTTP header: If-None-Match". What can I do to resolve this ?

Thanks

[ankigupta · Accepted solution]

Hi Elsa Souyeaux​

Please check following article: https://support.ptc.com/appserver/cs/view/solution.jsp?n=CS243253&lang=en_US

It talks about this error.

I hope it helps.

Thanks,

Ankit Gupta