server/AyaNova/biz/WidgetBiz.cs

@@ -106,9 +106,9 @@ namespace AyaNova.Biz
             bool NotUnique = true;
             long l = 1;
             do
-            {
+            {                
                 newUniqueName = Util.StringUtil.UniqueNameBuilder(dbObj.Name, l++, 255);
-                NotUnique = await ct.Widget.AnyAsync(m => m.Name == newUniqueName);
+                NotUnique = await ct.Widget.AnyAsync(m => m.Name == newUniqueName);              
             } while (NotUnique);
 
            outObj.Name = newUniqueName;

server/AyaNova/util/StringUtil.cs

@@ -119,6 +119,11 @@ namespace AyaNova.Util
         //Used to ensure a unique name generated by appending -nnn is within length requirements by splitting and chopping part of text to keep name
         public static string UniqueNameBuilder(string oldName, long appendValue, int maxLength)
         {
+            //deadman switch
+            if (appendValue > int.MaxValue)
+            {
+                throw new System.OverflowException($"UniqueNameBuilder: Unique name could not be generated for item \"{oldName}\" after {int.MaxValue.ToString()} attempts");
+            }
             var appendString = "-" + appendValue.ToString();
             string ret = oldName + appendString;
             var diff = maxLength - ret.Length;