Cancel of flight

dear sir, greetings
yesterday i went to airport for taking flight to my home country . after finishing the lugages and geting boarding pass i went to imigration counter there my fingers print did not match on their system . 2 to 3 times they tried after they informed me that u will not have flight go back to jawazat. i m from 6 years in saudi and this time i am going on final exit. what should i do?plz suggest me and help me ?

You're going to have to find out who put the fingerprints on the system, possibly you have a biometric passport and there was an error of some sort when it was produced.
Probably one for your embassy to sort out.