Not able to find server certificate

Hi ,

I am getting below error in the terminal inspite of creating the server certificate and key in the stipulated path,In the below path I have cross check it and found both key and certificate,because of it I am not able to run localhost in the Safari browser.Can you please help me on this.

bash-3.2$ apachectl configtest

AH00526: Syntax error on line 103 of /private/etc/apache2/extra/httpd-ssl.conf:

SSLCertificateFile: file '/private/etc/apache2/devsslcerts/localhost_server.crt ' does not exist or is empty