diff --git a/src/io/flutter/run/coverage/FlutterCoverageRunner.java b/src/io/flutter/run/coverage/FlutterCoverageRunner.java
index c9863a279f..5fccb9dc7b 100644
--- a/src/io/flutter/run/coverage/FlutterCoverageRunner.java
+++ b/src/io/flutter/run/coverage/FlutterCoverageRunner.java
@@ -6,8 +6,12 @@
 package io.flutter.run.coverage;
 
 import com.intellij.coverage.CoverageEngine;
+import com.intellij.coverage.CoverageLoadErrorReporter;
+import com.intellij.coverage.CoverageLoadingResult;
 import com.intellij.coverage.CoverageRunner;
 import com.intellij.coverage.CoverageSuite;
+import com.intellij.coverage.FailedCoverageLoadingResult;
+import com.intellij.coverage.SuccessCoverageLoadingResult;
 import com.intellij.openapi.diagnostic.Logger;
 import com.intellij.rt.coverage.data.ProjectData;
 import io.flutter.FlutterBundle;
@@ -21,26 +25,29 @@ public class FlutterCoverageRunner extends CoverageRunner {
   private static final String ID = "FlutterCoverageRunner";
   private static final @NotNull Logger LOG = Logger.getInstance(FlutterCoverageRunner.class.getName());
 
-  @Nullable
   @Override
-  public ProjectData loadCoverageData(@NotNull final File sessionDataFile, @Nullable CoverageSuite baseCoverageSuite) {
+  public @NotNull CoverageLoadingResult loadCoverageData(@NotNull final File sessionDataFile,
+                                                         @Nullable CoverageSuite baseCoverageSuite,
+                                                         @NotNull CoverageLoadErrorReporter reporter) {
     if (!(baseCoverageSuite instanceof FlutterCoverageSuite)) {
-      return null;
+      return new FailedCoverageLoadingResult("Flutter coverage suite is not a FlutterCoverageSuite");
     }
     return doLoadCoverageData(sessionDataFile, (FlutterCoverageSuite)baseCoverageSuite);
   }
 
-  @Nullable
-  private static ProjectData doLoadCoverageData(@NotNull final File sessionDataFile, @NotNull final FlutterCoverageSuite coverageSuite) {
+  private static @NotNull CoverageLoadingResult doLoadCoverageData(@NotNull final File sessionDataFile,
+                                                                   @NotNull final FlutterCoverageSuite coverageSuite) {
     final ProjectData projectData = new ProjectData();
     try {
       LcovInfo.readInto(projectData, sessionDataFile);
     }
     catch (IOException ex) {
       LOG.warn(FlutterBundle.message("coverage.data.not.read", sessionDataFile.getAbsolutePath()));
-      return null;
     }
-    return projectData;
+    if (projectData == null) {
+      return new FailedCoverageLoadingResult("Flutter coverage data could not be read");
+    }
+    return new SuccessCoverageLoadingResult(projectData);
   }
 
   @NotNull