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;