diff --git a/backend/src/Squidex.Infrastructure/Dump/Dumper.cs b/backend/src/Squidex.Infrastructure/Dump/Dumper.cs
index 2a4de2bec..c9cc7c9e6 100644
--- a/backend/src/Squidex.Infrastructure/Dump/Dumper.cs
+++ b/backend/src/Squidex.Infrastructure/Dump/Dumper.cs
@@ -124,11 +124,9 @@ namespace Squidex.Infrastructure.Dump
 
                 await process.WaitForExitAsync(ctl.Token);
 
-                var isSucceess = process.ExitCode == 0;
-
-                if (!isSucceess)
+                if (process.ExitCode != 0)
                 {
-                    return false;
+                    throw new InvalidOperationException($"Failed to execute tool. Got exit code: {process.ExitCode}.");
                 }
 
                 await using (var fs = new FileStream(writtenFile, FileMode.Open))
diff --git a/backend/src/Squidex/Areas/Api/Controllers/Diagnostics/DiagnosticsController.cs b/backend/src/Squidex/Areas/Api/Controllers/Diagnostics/DiagnosticsController.cs
index bb3a7e59e..0c511569d 100644
--- a/backend/src/Squidex/Areas/Api/Controllers/Diagnostics/DiagnosticsController.cs
+++ b/backend/src/Squidex/Areas/Api/Controllers/Diagnostics/DiagnosticsController.cs
@@ -32,13 +32,19 @@ namespace Squidex.Areas.Api.Controllers.Diagnostics
         /// </summary>
         /// <returns>
         /// 204 => Dump created successful.
+        /// 501 => Not configured.
         /// </returns>
         [HttpGet]
         [Route("diagnostics/dump")]
         [ApiPermissionOrAnonymous(Permissions.Admin)]
         public async Task<IActionResult> GetDump()
         {
-            await dumper.CreateDumpAsync(HttpContext.RequestAborted);
+            var success = await dumper.CreateDumpAsync(HttpContext.RequestAborted);
+
+            if (!success)
+            {
+                return StatusCode(501);
+            }
 
             return NoContent();
         }
@@ -48,13 +54,19 @@ namespace Squidex.Areas.Api.Controllers.Diagnostics
         /// </summary>
         /// <returns>
         /// 204 => Dump created successful.
+        /// 501 => Not configured.
         /// </returns>
         [HttpGet]
         [Route("diagnostics/gc-dump")]
         [ApiPermissionOrAnonymous(Permissions.Admin)]
         public async Task<IActionResult> GetGCDump()
         {
-            await dumper.CreateGCDumpAsync(HttpContext.RequestAborted);
+            var success = await dumper.CreateGCDumpAsync(HttpContext.RequestAborted);
+
+            if (!success)
+            {
+                return StatusCode(501);
+            }
 
             return NoContent();
         }