diff --git a/Framework/Utils/RandomUtils.cs b/Framework/Utils/RandomUtils.cs
index f3792123..9f127167 100644
--- a/Framework/Utils/RandomUtils.cs
+++ b/Framework/Utils/RandomUtils.cs
@@ -47,13 +47,14 @@
                 var result = "";
                 while (result.Length < requiredLength)
                 {
-                    var len = Math.Min(1024, requiredLength - result.Length);
+                    var remaining = requiredLength - result.Length;
+                    var len = Math.Min(1024, remaining);
                     var bytes = new byte[len];
                     random.NextBytes(bytes);
                     result += string.Join("", bytes.Select(b => b.ToString()));
                 }
 
-                return result;
+                return result.Substring(0, Convert.ToInt32(requiredLength));
             }
         }
     }
diff --git a/Tools/BiblioTech/CodexChecking/CodexTwoWayChecker.cs b/Tools/BiblioTech/CodexChecking/CodexTwoWayChecker.cs
index 8dadc97b..216ab7f0 100644
--- a/Tools/BiblioTech/CodexChecking/CodexTwoWayChecker.cs
+++ b/Tools/BiblioTech/CodexChecking/CodexTwoWayChecker.cs
@@ -15,6 +15,8 @@ namespace BiblioTech.CodexChecking
         Task CouldNotDownloadCid();
         Task GiveCidToUser(string cid);
         Task GiveDataFileToUser(string fileContent);
+
+        Task ToAdminChannel(string msg);
     }
 
     public class CodexTwoWayChecker
@@ -91,9 +93,9 @@ namespace BiblioTech.CodexChecking
                 return;
             }
 
-            if (IsManifestLengthCompatible(check, manifest))
+            if (await IsManifestLengthCompatible(handler, check, manifest))
             {
-                if (IsContentCorrect(check, receivedCid))
+                if (await IsContentCorrect(handler, check, receivedCid))
                 {
                     CheckNowCompleted(handler, check, userId);
                     return;
@@ -148,34 +150,38 @@ namespace BiblioTech.CodexChecking
             }
         }
 
-        private bool IsManifestLengthCompatible(TransferCheck check, Manifest manifest)
+        private async Task<bool> IsManifestLengthCompatible(ICheckResponseHandler handler, TransferCheck check, Manifest manifest)
         {
             var dataLength = check.UniqueData.Length;
             var manifestLength = manifest.OriginalBytes.SizeInBytes;
 
+            await handler.ToAdminChannel($"Debug:dataLength={dataLength},manifestLength={manifestLength}");
+
             return
                 manifestLength > (dataLength - 1) &&
                 manifestLength < (dataLength + 1);
         }
 
-        private bool IsContentCorrect(TransferCheck check, string receivedCid)
+        private async Task<bool> IsContentCorrect(ICheckResponseHandler handler, TransferCheck check, string receivedCid)
         {
             try
             {
-                return codexWrapper.OnCodex(node =>
+                var content = codexWrapper.OnCodex(node =>
                 {
                     var file = node.DownloadContent(new ContentId(receivedCid));
-                    if (file == null) return false;
+                    if (file == null) return string.Empty;
                     try
                     {
-                        var content = File.ReadAllText(file.Filename).Trim();
-                        return content == check.UniqueData;
+                        return File.ReadAllText(file.Filename).Trim();
                     }
                     finally
                     {
                         if (File.Exists(file.Filename)) File.Delete(file.Filename);
                     }
                 });
+
+                await handler.ToAdminChannel($"Debug:content=`{content}`,check=`{check.UniqueData}`");
+                return content == check.UniqueData;
             }
             catch
             { 
diff --git a/Tools/BiblioTech/Commands/CheckResponseHandler.cs b/Tools/BiblioTech/Commands/CheckResponseHandler.cs
index 9a32a7c3..8777003e 100644
--- a/Tools/BiblioTech/Commands/CheckResponseHandler.cs
+++ b/Tools/BiblioTech/Commands/CheckResponseHandler.cs
@@ -60,5 +60,10 @@ namespace BiblioTech.Commands
         {
             await context.Followup("Successfully completed the check!");
         }
+
+        public async Task ToAdminChannel(string msg)
+        {
+            await Program.AdminChecker.SendInAdminChannel(msg);
+        }
     }
 }
diff --git a/Tools/BiblioTech/Options/StringOption.cs b/Tools/BiblioTech/Options/StringOption.cs
index 15e04c9a..047bf15a 100644
--- a/Tools/BiblioTech/Options/StringOption.cs
+++ b/Tools/BiblioTech/Options/StringOption.cs
@@ -12,11 +12,12 @@ namespace BiblioTech.Options
         public async Task<string?> Parse(CommandContext context)
         {
             var strData = context.Options.SingleOrDefault(o => o.Name == Name);
-            if (strData == null)
+            if (strData == null && IsRequired)
             {
                 await context.Followup("String option not received.");
                 return null;
             }
+            if (strData == null) return null;
             return strData.Value as string;
         }
     }