Unable to authorise in eMO 7.9.2, Booked eMO in Point of Sale 7.9.1

Unable to authorize in eMO 7.9.2, Booked eMO in Point of Sale 7.9.1. 

While authorize it may shows the error message as 

"The eMO cannot be authorized. Contact Administrator".

Solutions: 

eMO Updates available  CEPT FTP Site

ftp://cept.gov.in/Meghdoot7/Updates/