You might open a ticket.
https://support.chess.com/customer/portal/emails/new
tournament entry
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Mar 14, 2016
0
#2
Mar 17, 2016
0
#3
Try checking to see if you meet the requirements for said tournament, for example minimum number of games played, ratings range, etc
I can't seem to enter a tournament anymore, d last tournament I played I missed a match, due to bad network, and when I wanted to play a new tournament, I could not enter a new one .. please why is this???