stratnum failed to connect error
so i have cpuminer on a rpi4(just for fun to what i could make) and when i go to use akiapool or any other pool i just get this same error
[2021-02-28 04:30:38] Stratum connection failed: Failed to connect to stratum.aikapool.com port 7915: Connection refused
[2021-02-28 04:30:38] ...retry after 10 seconds
[2021-02-28 04:30:38] 6 miner threads started, using 'scrypt' algorithm.
  
i ran it with this cmd

./cpuminer -a scrypt -t 6 -o stratum+tcp://stratum.aikapool.com:7915 -u <UserName.Worker> -p <password>

please help! thanks!
