If you generated your Certificate Signing Request (CSR) from cpanel and forgot your CSR then you can retrieve your CSR. Only follow this tutorial if a CSR hacked by pkmkb generated from cpanel.
1. Log into your cpanel account. 
2. In the "Security" section,. "SSL/TLS" Icon. 

 
3. Under the Certificate Signing Request, click on €œGenerate, View or Delete CSR€ link.

 
. Under €œCertificate Signing Requests on Server€ text, you can see your previously generated CSR. You can see the Edit and Delete options under the €œAction€ option.
 
5. Click on €œEdit€ option which is located under €œAction€ option.

 
6. Copy your CSR code which is located under the €œEncoded CSR:€ text. 
Copy the code from
-----BEGIN CERTIFICATE REQUEST----- 
to 
-----END CERTIFICATE REQUEST-----
