Help! Connection problems.

Good afternoon. Need help solving the connection problem. When trying to go play with a friend there is trouble. The first level is loaded normally and if you play with it without respite, then everything is fine. If you try to "Continue a company" or upload a certain episode, then the chance that it will load is almost equal to 0 (there are times that it is loaded normally, but this is rarely rare). 
NAT: Open
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