From the error message, it looks more like wrong pool settings (URL errors). Did you re-enter your pool info? Or maybe inadvertently add an extra character in one of the pool fields when you used the mining configuration page to restart the miner?
Using a common remote file but all S1's are affected:
{
"pools" :
[
{
"url" : "stratum+tcp://stratum.bitcoin.cz:3333",
"user" : "x",
"pass" : "x"
}
],
"lowmem" : true,
"bitmain-options" : "115200:32:8:38:393.75:5F05",
"api-listen" : true,
"api-allow" : "W:127.0.0.1,W:192.168.0/24",
"quiet" : true
}
Trying some different things now