diff --git a/l10n/bundle.l10n.json b/l10n/bundle.l10n.json
index 3403fc14c..54094eb70 100644
--- a/l10n/bundle.l10n.json
+++ b/l10n/bundle.l10n.json
@@ -3,6 +3,11 @@
   "Cannot create .NET debug configurations. The server is still initializing or has exited unexpectedly.": "Cannot create .NET debug configurations. The server is still initializing or has exited unexpectedly.",
   "Cannot create .NET debug configurations. The active C# project is not within folder '{0}'.": "Cannot create .NET debug configurations. The active C# project is not within folder '{0}'.",
   "Does not contain .NET Core projects.": "Does not contain .NET Core projects.",
+  "'{0}' was not set in the debug configuration.": "'{0}' was not set in the debug configuration.",
+  "'{0}' request is not supported for the '{1}' configuration.": "'{0}' request is not supported for the '{1}' configuration.",
+  "'{0}' was not provided in the debug configuration.": "'{0}' was not provided in the debug configuration.",
+  "Can not find an opened workspace folder. Please open a folder before starting to debug with a '{0}' configuration'.": "Can not find an opened workspace folder. Please open a folder before starting to debug with a '{0}' configuration'.",
+  "No launchable target found.": "No launchable target found.",
   "No launchable target found for '{0}'": "No launchable target found for '{0}'",
   "Cannot resolve .NET debug configurations. The server is still initializing or has exited unexpectedly.": "Cannot resolve .NET debug configurations. The server is still initializing or has exited unexpectedly.",
   "Unable to determine a configuration for '{0}'. Please generate C# debug assets instead.": "Unable to determine a configuration for '{0}'. Please generate C# debug assets instead.",
diff --git a/src/lsptoolshost/services/IDotnetDebugConfigurationService.ts b/src/lsptoolshost/services/IDotnetDebugConfigurationService.ts
index e3b93b9e1..52d57d6a5 100644
--- a/src/lsptoolshost/services/IDotnetDebugConfigurationService.ts
+++ b/src/lsptoolshost/services/IDotnetDebugConfigurationService.ts
@@ -23,7 +23,7 @@ export interface IDotnetDebugConfigurationServiceResult {
 
 export interface IDotnetDebugConfigurationService {
     resolveDebugConfigurationWithLaunchConfigurationService(
-        projectPath: string,
+        projectPath: string | undefined,
         debugConfiguration: vscode.DebugConfiguration,
         token?: vscode.CancellationToken
     ): Promise<IDotnetDebugConfigurationServiceResult>;
diff --git a/src/shared/dotnetConfigurationProvider.ts b/src/shared/dotnetConfigurationProvider.ts
index 4cb2e3513..fec07860c 100644
--- a/src/shared/dotnetConfigurationProvider.ts
+++ b/src/shared/dotnetConfigurationProvider.ts
@@ -55,6 +55,8 @@ function resolveWorkspaceFolderToken(projectPath: string, folderPath: string): s
 }
 
 export class DotnetConfigurationResolver implements vscode.DebugConfigurationProvider {
+    static dotnetType = 'dotnet';
+
     constructor(
         private workspaceDebugInfoProvider: IWorkspaceDebugInformationProvider,
         private dotnetWorkspaceConfigurationProvider: DotnetWorkspaceConfigurationProvider
@@ -73,12 +75,24 @@ export class DotnetConfigurationResolver implements vscode.DebugConfigurationPro
         }
 
         if (debugConfiguration.request !== 'launch') {
-            throw new Error(`'${debugConfiguration.request}' is unsupported.`);
+            if (!debugConfiguration.request) {
+                throw new Error(vscode.l10n.t("'{0}' was not set in the debug configuration.", 'request'));
+            } else {
+                throw new Error(
+                    vscode.l10n.t(
+                        "'{0}' request is not supported for the '{1}' configuration.",
+                        debugConfiguration.request,
+                        DotnetConfigurationResolver.dotnetType
+                    )
+                );
+            }
         }
 
-        let projectPath: string = debugConfiguration.projectPath;
-        if (folder && projectPath) {
-            projectPath = resolveWorkspaceFolderToken(projectPath, folder.uri.fsPath);
+        let projectPath: string | undefined = debugConfiguration.projectPath;
+        if (folder) {
+            if (projectPath) {
+                projectPath = resolveWorkspaceFolderToken(projectPath, folder.uri.fsPath);
+            }
 
             const dotnetDebugServiceProxy = await getServiceBroker()?.getProxy<IDotnetDebugConfigurationService>(
                 Descriptors.dotnetDebugConfigurationService
@@ -96,6 +110,11 @@ export class DotnetConfigurationResolver implements vscode.DebugConfigurationPro
                     throw new UnavaliableLaunchServiceError();
                 }
             } catch (e) {
+                if (!projectPath) {
+                    throw new LaunchServiceError(
+                        vscode.l10n.t("'{0}' was not provided in the debug configuration.", 'projectPath')
+                    );
+                }
                 if (e instanceof UnavaliableLaunchServiceError) {
                     return await this.resolveDebugConfigurationWithWorkspaceDebugInformationProvider(
                         folder,
@@ -109,15 +128,20 @@ export class DotnetConfigurationResolver implements vscode.DebugConfigurationPro
             } finally {
                 dotnetDebugServiceProxy?.dispose();
             }
+        } else {
+            throw new Error(
+                vscode.l10n.t(
+                    "Can not find an opened workspace folder. Please open a folder before starting to debug with a '{0}' configuration'.",
+                    DotnetConfigurationResolver.dotnetType
+                )
+            );
         }
-
-        return debugConfiguration;
     }
 
     //#endregion
 
     private resolveDotnetDebugConfigurationServiceResult(
-        projectPath: string,
+        projectPath: string | undefined,
         result: IDotnetDebugConfigurationServiceResult
     ): vscode.DebugConfiguration {
         if (result.error) {
@@ -135,7 +159,11 @@ export class DotnetConfigurationResolver implements vscode.DebugConfigurationPro
 
         const debugConfigArray = result.configurations;
         if (debugConfigArray.length == 0) {
-            throw new LaunchServiceError(vscode.l10n.t("No launchable target found for '{0}'", projectPath));
+            if (!projectPath) {
+                throw new LaunchServiceError(vscode.l10n.t('No launchable target found.'));
+            } else {
+                throw new LaunchServiceError(vscode.l10n.t("No launchable target found for '{0}'", projectPath));
+            }
         }
         if (debugConfigArray.length == 1) {
             return debugConfigArray[0];