Hey ameen266,
After reviewing your post, it seems like your Snapchat account is locked. You will need to contact the app developer directly for account issues. We would recommend you use this article to help troubleshoot the issue.
"My account has been temporarily locked
You can try logging back in via the app or on the web by going here, and selecting 'Unlock.' Be sure to take a look at some of the common reasons your account may have been locked before logging back in again, otherwise it may become permanently locked.
Please Note: We won’t be able to unlock your account for you. "
Take care.