ForgerRock IP and Salesforce SAML

I am integrating FR as the idP and Salesforce as the SP when i am extracting the .crt content from the metadata file and uploading it to the SP which is Salesforce it is showing as CN=Unknown, OU=Unknown, O=Unknown, L=Unknown, ST=Unknown, C=Unknown
Expiration: 22 May 2026 13:41:37 GMT

Because of which my SAML is failing