pdurgaramesh wrote
error:0200100D:system library:fopen:Permission denied
error:2006D002:BIO routines:BIO_new_file:system lib
error:09072007:PEM routines:PEM_write_bio:BUF lib
(That might mean that the key folder is not write enabled for www user)
Have you tired to locate the key folder to see that it is write enabled for the www user?