hang your head and cry 
help me!
i got this message what do i do i had to leave a match when i came to play again it said
You currently cannot create or accept open challenges. Your play is restricted because you have not followed our Fair Play Policy which discourages disconnecting, intentional stalling, etc. However, you are allowed to still play with friends. You may play openly again after finishing more games with fair play. If you feel this is an error, please contact Chess.com support.
what does oneself do upon this problem
Chess.com encourages players to be kind and show good sportsmanship. Our Fair Play policy expects that players will not:
intentionally disconnect during games
stall to make opponents wait unnecessarily
frivolously abort games because they don't want to play black, etc.
This is what causes the warning you received.
If you need help, please contact our Help and Support team.
i got this message what do i do i had to leave a match when i came to play again it said
You currently cannot create or accept open challenges. Your play is restricted because you have not followed our Fair Play Policy which discourages disconnecting, intentional stalling, etc. However, you are allowed to still play with friends. You may play openly again after finishing more games with fair play. If you feel this is an error, please contact Chess.com support.
what does oneself do upon this problem