TypeError: Cannot set property '-1' of null
npm\node_modules\coin-hive\node_modules\coin-hive-stratum\src\proxy.js:353 poolConnection.auths[rpcId] = connection;

TypeError: Cannot set property '-1' of null
    at minerMessageHandler (npm\node_modules\coin-hive\node_modules\coin-hive-stratum\src\proxy.js:353:35)