why are my contacts limited ?

Please call Rover Customer Support [Edit: Rover’s contact options have changed. Visit the Rover Help Center at https://support.rover.com/ to find the phone number, help articles, or chat with the team] to notify them of this.

They can review all messages on the platform, help you connect with an available sitter, and apply appropriate consequences to those who are not replying timely or answered unavailable if their calendar showed otherwise.