scala metals run session not started

[Error - 10.21.13] Request workspace/executeCommand failed.
  Message: Internal error.
  Code: -32603
java.util.concurrent.CompletionException: scala.meta.internal.metals.MetalsBspException: BSP connection failed in the attempt to get: DebugSessionAddress
	at java.util.concurrent.CompletableFuture.encodeThrowable(Unknown Source)
	at java.util.concurrent.CompletableFuture.completeThrowable(Unknown Source)
	at java.util.concurrent.CompletableFuture.uniAccept(Unknown Source)
	at java.util.concurrent.CompletableFuture$UniAccept.tryFire(Unknown Source)
	at java.util.concurrent.CompletableFuture.postComplete(Unknown Source)
	at java.util.concurrent.CompletableFuture.completeExceptionally(Unknown Source)
	at scala.concurrent.java8.FuturesConvertersImpl$CF.apply(FutureConvertersImpl.scala:29)
	at scala.concurrent.java8.FuturesConvertersImpl$CF.apply(FutureConvertersImpl.scala:26)
	at scala.concurrent.impl.CallbackRunnable.run(Promise.scala:64)
	at scala.concurrent.BatchingExecutor$Batch.processBatch$1(BatchingExecutor.scala:67)
	at scala.concurrent.BatchingExecutor$Batch.$anonfun$run$1(BatchingExecutor.scala:82)
	at scala.runtime.java8.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.java:23)
	at scala.concurrent.BlockContext$.withBlockContext(BlockContext.scala:85)
	at scala.concurrent.BatchingExecutor$Batch.run(BatchingExecutor.scala:59)
	at scala.concurrent.Future$InternalCallbackExecutor$.unbatchedExecute(Future.scala:875)
	at scala.concurrent.BatchingExecutor.execute(BatchingExecutor.scala:110)
	at scala.concurrent.BatchingExecutor.execute$(BatchingExecutor.scala:107)
	at scala.concurrent.Future$InternalCallbackExecutor$.execute(Future.scala:873)
	at scala.concurrent.impl.CallbackRunnable.executeWithValue(Promise.scala:72)
	at scala.concurrent.impl.Promise$DefaultPromise.$anonfun$tryComplete$1(Promise.scala:288)
	at scala.concurrent.impl.Promise$DefaultPromise.$anonfun$tryComplete$1$adapted(Promise.scala:288)
	at scala.concurrent.impl.Promise$DefaultPromise.tryComplete(Promise.scala:288)
	at scala.concurrent.Promise.complete(Promise.scala:53)
	at scala.concurrent.Promise.complete$(Promise.scala:52)
	at scala.concurrent.impl.Promise$DefaultPromise.complete(Promise.scala:187)
	at scala.concurrent.impl.Promise.$anonfun$transform$1(Promise.scala:33)
	at scala.concurrent.impl.CallbackRunnable.run(Promise.scala:64)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
	at java.lang.Thread.run(Unknown Source)
Caused by: scala.meta.internal.metals.MetalsBspException: BSP connection failed in the attempt to get: DebugSessionAddress
	at scala.meta.internal.metals.BuildServerConnection$$anonfun$1.applyOrElse(BuildServerConnection.scala:236)
	at scala.meta.internal.metals.BuildServerConnection$$anonfun$1.applyOrElse(BuildServerConnection.scala:229)
	at scala.concurrent.Future.$anonfun$recoverWith$1(Future.scala:417)
	at scala.concurrent.impl.Promise.$anonfun$transformWith$1(Promise.scala:41)
	... 4 more