Foreman Scap Proxy Error!

Problem:

Team,

Im trying to upload customer scap content (CIS benchmark data stream) but it showing error like

No available proxy to validate. Returned with error: ERF12-9279 [ProxyAPI::ProxyException]: Could not validate Scap content. Error 500 Internal Server Error ([RestClient::InternalServerError]: 500 Internal Server Error) for proxy https://fqdn:9090/compliance/

Other relevant data:

I want to use third party scap content like CIS for my environment, if is possible please share us the reference KB article to upload it.

2020-06-12T16:26:46 d6b2c7ef [I] Started POST /compliance/scap_file/validator/scap_content
2020-06-12T16:26:46 d6b2c7ef [E] Error occurred: Failure when running script which validates scap files
2020-06-12T16:26:46 d6b2c7ef [W] Error occurred: Failure when running script which validates scap files
Exception: Error occurred: Failure when running script which validates scap files
2020-06-12T16:26:46 d6b2c7ef [I] Finished POST /compliance/scap_file/validator/scap_content with 500 (645.72 ms)