If you are receiving the Snapchat (There was a problem connecting to the server. Please try again.) error, try the following steps below.
*First* Ensure Snapchat is not currently having issues on their end. Use the comment form below to check if others are experiencing the same issue (at the same time).
iPhone: App Store -> Updates
Android: Play Store -> My Apps and Games -> Updates
If you are currently experiencing this Snapchat message, use the comment form below to let us know.