diff --git a/src/PortingAssistant.Client.Analysis/AnalysisHandler.cs b/src/PortingAssistant.Client.Analysis/AnalysisHandler.cs
index 588f7f0f..20face5c 100644
--- a/src/PortingAssistant.Client.Analysis/AnalysisHandler.cs
+++ b/src/PortingAssistant.Client.Analysis/AnalysisHandler.cs
@@ -565,6 +565,7 @@ private ProjectAnalysisResult AnalyzeProject(
                     ExternalReferences = analyzer.ProjectResult.ExternalReferences,
                     ProjectCompatibilityResult = compatibilityResults,
                     LinesOfCode = analyzer.ProjectResult.LinesOfCode,
+                    HasCompatibilityCheckingError = compatibilityCheckerResponse.HasCompatibilityCheckingError //  compatibilityCheckerResponse Error
                 };
             }
             catch (Exception ex)
@@ -653,8 +654,8 @@ private CompatibilityCheckerResponse MergeRecommendationResultToPackageAnalysisR
             {
                 foreach (var packageRecommend in compatibilityCheckerResponse.PackageRecommendationResults)
                 {
-                    if (packageRecommend.Value?.Recommendations != null &&
-                        compatibilityCheckerResponse.PackageAnalysisResults.ContainsKey(packageRecommend.Key) &&
+                    if (packageRecommend.Value?.Recommendations != null && compatibilityCheckerResponse.PackageAnalysisResults!= null
+                        && compatibilityCheckerResponse.PackageAnalysisResults.ContainsKey(packageRecommend.Key) &&
                         compatibilityCheckerResponse.PackageAnalysisResults[packageRecommend.Key].Recommendations == null
                         )
                     {
diff --git a/src/PortingAssistant.Client.Client/PortingAssistantClient.cs b/src/PortingAssistant.Client.Client/PortingAssistantClient.cs
index bbcfd566..1168d132 100644
--- a/src/PortingAssistant.Client.Client/PortingAssistantClient.cs
+++ b/src/PortingAssistant.Client.Client/PortingAssistantClient.cs
@@ -201,10 +201,9 @@ public SolutionAnalysisResult GenerateSolutionAnalysisResult(string solutionFile
             {
                 FailedProjects = failedProjects,
                 SolutionDetails = solutionDetails,
-                ProjectAnalysisResults = projectAnalysisResults
+                ProjectAnalysisResults = projectAnalysisResults,
+                HasCompatibilityCheckingError = projectAnalysisResults.Any(c=>c.HasCompatibilityCheckingError) //if any project has compatibilityCheckerResponse Error
             };
         }
     }
-
-    
 }
diff --git a/src/PortingAssistant.Client.Common/Model/ProjectAnalysisResult.cs b/src/PortingAssistant.Client.Common/Model/ProjectAnalysisResult.cs
index 508542d3..61f3e544 100644
--- a/src/PortingAssistant.Client.Common/Model/ProjectAnalysisResult.cs
+++ b/src/PortingAssistant.Client.Common/Model/ProjectAnalysisResult.cs
@@ -19,7 +19,7 @@ public class ProjectAnalysisResult : ProjectDetails, IDisposable
         public VisualBasicRootNodes VisualBasicProjectRules { get; set; }
         public ExternalReferences ExternalReferences { get; set; }
         public ProjectCompatibilityResult ProjectCompatibilityResult { get; set; }
-
+        public bool HasCompatibilityCheckingError { get; set; } //GetCompatibilityResponse HasError 
         public void Dispose()
         {
             Errors = null;
diff --git a/src/PortingAssistant.Client.Common/Model/SolutionAnalysisResult.cs b/src/PortingAssistant.Client.Common/Model/SolutionAnalysisResult.cs
index 8c165084..b48d7e01 100644
--- a/src/PortingAssistant.Client.Common/Model/SolutionAnalysisResult.cs
+++ b/src/PortingAssistant.Client.Common/Model/SolutionAnalysisResult.cs
@@ -12,5 +12,6 @@ public class SolutionAnalysisResult
         public List<ProjectAnalysisResult> ProjectAnalysisResults { get; set; }
         public List<string> FailedProjects { get; set; }
         public List<string> Errors { get; set; } //Solution errors; solution file errors etc.
+        public bool HasCompatibilityCheckingError { get; set; } //GetCompatibilityResponse HasError for any project
     }
 }
diff --git a/src/PortingAssistant.Compatibility.Common/Model/CompatibilityCheckerResponse.cs b/src/PortingAssistant.Compatibility.Common/Model/CompatibilityCheckerResponse.cs
index 0f16553f..e19fadee 100644
--- a/src/PortingAssistant.Compatibility.Common/Model/CompatibilityCheckerResponse.cs
+++ b/src/PortingAssistant.Compatibility.Common/Model/CompatibilityCheckerResponse.cs
@@ -19,7 +19,7 @@ public class RecommendationOnlyResponse
         public Language Language { get; set; }
         public Dictionary<PackageVersionPair, AnalysisResult> PackageRecommendationResults { get; set; }
         public Dictionary<PackageVersionPair, Dictionary<string, AnalysisResult>> ApiRecommendationResults { get; set; }
-
+        public bool HasCompatibilityCheckingError { get; set; } = false; 
         public Recommendations? GetRecommendationsForPackage(PackageVersionPair pkgVersionPair)
         {
             if (PackageRecommendationResults == null