Error with a self-signed certificate on RHVM

Hi, i issued a new self-signed certificate for RH Virtualization Manager 4.1 on RHEL 7.4. Certificate was issued on the server where RHVM works. I used official RH guide to create and replace certificate.
When i open RHVM web page i receive error:
- sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
What is the problem?