[master] Pool fork 1 died, spawning replacement worker...

[jsi4097]

2019-07-20 05:01:26 [api] Stat collection finished: 23 ms redis, 24 ms daemon
2019-07-20 05:01:26 [master] API died, spawning replacement...
2019-07-20 05:01:27 [pool] (Thread 1) New block to mine at height 301069 w/ difficulty of 365751201

Error: bind EADDRINUSE
at errnoException (net.js:905:11)
at net.js:1085:30
at Object.16:1 (cluster.js:594:5)
at handleResponse (cluster.js:171:41)
at respond (cluster.js:192:5)
at handleMessage (cluster.js:202:5)
at process.emit (events.js:117:20)
at handleMessage (child_process.js:322:10)
at child_process.js:396:7
at process.handleConversion.net.Native.got (child_process.js:91:7)

Error: bind EADDRINUSE
at errnoException (net.js:905:11)
at net.js:1085:30
at Object.16:1 (cluster.js:594:5)
at handleResponse (cluster.js:171:41)
at respond (cluster.js:192:5)
at handleMessage (cluster.js:202:5)
at process.emit (events.js:117:20)
at handleMessage (child_process.js:322:10)
at child_process.js:396:7
at process.handleConversion.net.Native.got (child_process.js:91:7)

Error: bind EADDRINUSE
at errnoException (net.js:905:11)
at net.js:1085:30
at Object.16:1 (cluster.js:594:5)
at handleResponse (cluster.js:171:41)
at respond (cluster.js:192:5)
at handleMessage (cluster.js:202:5)
at process.emit (events.js:117:20)
at handleMessage (child_process.js:322:10)
at child_process.js:396:7
at process.handleConversion.net.Native.got (child_process.js:91:7)

2019-07-20 05:01:27 [master] Pool fork 1 died, spawning replacement worker...

hello. i want solve!
please help me!