Unknown error when running with Profile

Just installed 2018.1.1 Pro to try the profiling feature (was using CE before).

When I click on Profile '<configuration>', it pops up an 'Unknown error' message and doesn't do anything.

Looking at the log I can see this exception:

2018-04-15 13:12:56,493 [ 845483] INFO - plots.PySciEnvironmentProvider - Plots on port: 55891 
2018-04-15 13:12:56,498 [ 845488] WARN - xecution.runners.ExecutionUtil - Execution error without description 
kotlin.KotlinNullPointerException
 at com.jetbrains.python.profiler.PythonProfileRunner.doExecute(PythonProfileRunner.kt:37)
 at com.intellij.execution.runners.GenericProgramRunner$execute$$inlined$runProfileStarter$1.executeAsync(GenericProgramRunner.kt:69)
 at com.intellij.execution.runners.GenericProgramRunnerKt$startRunProfile$$inlined$runProfileStarter$1.executeAsync(GenericProgramRunner.kt:69)
 at com.intellij.execution.impl.ExecutionManagerKtImpl$startRunProfile$startRunnable$1.run(ExecutionManagerKtImpl.kt:75)
 at com.intellij.openapi.application.TransactionGuardImpl.a(TransactionGuardImpl.java:88)
 at com.intellij.openapi.application.TransactionGuardImpl.a(TransactionGuardImpl.java:111)
 at com.intellij.openapi.application.TransactionGuardImpl.submitTransaction(TransactionGuardImpl.java:120)
 at com.intellij.openapi.application.TransactionGuard.submitTransaction(TransactionGuard.java:122)
 at com.intellij.execution.impl.ExecutionManagerKtImpl$startRunProfile$2.run(ExecutionManagerKtImpl.kt:128)
 at com.intellij.execution.impl.ExecutionManagerImpl.compileAndRun(ExecutionManagerImpl.java:293)
 at com.intellij.execution.impl.ExecutionManagerKtImpl.startRunProfile(ExecutionManagerKtImpl.kt:128)
 at com.intellij.execution.runners.GenericProgramRunnerKt.startRunProfile(GenericProgramRunner.kt:64)
 at com.intellij.execution.runners.GenericProgramRunner.execute(GenericProgramRunner.kt:31)
 at com.intellij.execution.runners.BaseProgramRunner.execute(BaseProgramRunner.java:61)
 at com.intellij.execution.runners.BaseProgramRunner.execute(BaseProgramRunner.java:50)
 at com.intellij.execution.ProgramRunnerUtil.executeConfigurationAsync(ProgramRunnerUtil.java:97)
 at com.intellij.execution.ProgramRunnerUtil.executeConfiguration(ProgramRunnerUtil.java:44)
 at com.intellij.execution.impl.ExecutionManagerImpl.a(ExecutionManagerImpl.java:111)
 at com.intellij.execution.impl.ExecutionManagerImpl.access$300(ExecutionManagerImpl.java:59)
 at com.intellij.execution.impl.ExecutionManagerImpl$3.run(ExecutionManagerImpl.java:439)
 at com.intellij.util.concurrency.QueueProcessor.runSafely(QueueProcessor.java:231)
 at com.intellij.util.Alarm$Request.runSafely(Alarm.java:405)
 at com.intellij.util.Alarm$Request.access$700(Alarm.java:330)
 at com.intellij.util.Alarm$Request$1.run(Alarm.java:371)
 at com.intellij.openapi.application.TransactionGuardImpl$2.run(TransactionGuardImpl.java:315)
 at com.intellij.openapi.application.impl.LaterInvocator$FlushQueue.a(LaterInvocator.java:447)
 at com.intellij.openapi.application.impl.LaterInvocator$FlushQueue.a(LaterInvocator.java:431)
 at com.intellij.openapi.application.impl.LaterInvocator$FlushQueue.run(LaterInvocator.java:415)
 at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311)
 at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:762)
 at java.awt.EventQueue.access$500(EventQueue.java:98)
 at java.awt.EventQueue$3.run(EventQueue.java:715)
 at java.awt.EventQueue$3.run(EventQueue.java:709)
 at java.security.AccessController.doPrivileged(Native Method)
 at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:80)
 at java.awt.EventQueue.dispatchEvent(EventQueue.java:732)
 at com.intellij.ide.IdeEventQueue.g(IdeEventQueue.java:779)
 at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:720)
 at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:395)
 at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
 at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
 at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
 at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
 at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
 at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)

PyCharm 2018.1.1 (Professional Edition)
Build #PY-181.4445.76, built on April 9, 2018
Licensed to PyCharm Evaluator
Expiration date: May 15, 2018
JRE: 1.8.0_152-release-1136-b27 amd64
JVM: OpenJDK 64-Bit Server VM by JetBrains s.r.o
Windows 10 10.0