How can I fix UnityEngine.Random.Range (Int32 min, Int32 max) Stack Overflow

This method randomly generates coordinates for a room on a grid for a game I am making:

 // Generates a random room anchor point and then dimesions and calculates the vertices
     private int[] GenerateRoom()
     {
         if (roomGenCounter < 5000)
         {
             // Anchor points
             int xAnchor = Random.Range(1, dungeonSize - 1);
             int yAnchor = Random.Range(1, dungeonSize - 1);
             // Dimensions
             int xSize = Random.Range(avgRoomSize - roomSizeDeviation, avgRoomSize + roomSizeDeviation);
             int ySize = Random.Range(avgRoomSize - roomSizeDeviation, avgRoomSize + roomSizeDeviation);
             // Whether the direction of the width/height is "positive" or "negative"
             bool xDir = (Random.value > 0.5f); // This returns either true or false
             bool yDir = (Random.value > 0.5f);

         // Working out the vertices (top right and bottom left most point) of the room
         int[] roomVerts = new int[] { xAnchor, yAnchor, 0, 0 };
         if (xDir)
         {
             roomVerts[2] = xAnchor + xSize;
         }
         else
         {
             roomVerts[2] = roomVerts[0];
             roomVerts[0] = xAnchor - xSize;
         }
         if (yDir)
         {
             roomVerts[3] = yAnchor + ySize;
         }
         else
         {
             roomVerts[3] = roomVerts[1];
             roomVerts[1] = yAnchor - ySize;
         }
         // Vertices are stored: { bottom left x, bottom left y, top right x, top right y }

         // Checking if the room is off the grid or overlaping a pre-existing room
         foreach (int coordinate in roomVerts)
         {
             if (coordinate < 1 || coordinate > dungeonSize - 1)
             {
                 return GenerateRoom();
             }
         }
         if (RoomOverlap(roomVerts))
         {
             return GenerateRoom();
         }

         return roomVerts;
     }
     else
     {
         return testArray;
     }
 }

The stack overflow error:

StackOverflowException UnityEngine.Random.Range (Int32 min, Int32 max) (at C:/buildslave/unity/build/artifacts/generated/common/runtime/RandomBindings.gen.cs:63) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:130) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:171) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:166) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:166) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:171) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:171) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:166) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:171) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:166) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:166) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:171) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:171) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:171) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:171) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:171) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:166) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:166) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:171) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:171) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:171) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:171) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:171) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:171) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:171) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:171) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:171) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:166) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:166) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:171) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:166) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:171) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:166) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:166) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:171) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:171) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:166) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:171) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:166) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:166) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:171) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:171) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:171) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:166) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:166) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:166) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:171) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:166) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:166) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:171) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:171) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:171) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:171) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:171) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:171) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:166) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:171) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:171) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:171) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:166) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:171) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:171) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:171) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:171) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:171) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:171) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:171) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:171) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:171) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:171) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:171) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:166) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:166) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:171) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:166) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:166) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:166) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:171) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:166) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:171) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:166) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:166) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:171) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:171) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:171) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:171) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:171) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:171) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:166) DungeonGenerator.GenerateRoom () (at 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Assets/Scripts/DungeonGenerator.cs:166) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:171) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:166) DungeonGenerator.GenerateRoom () (at Assets/Scripts/DungeonGenerator.cs:171) DungeonGenerator.GenerateRoom () (at Assets/S

The line causeing the error seems to be:

 int xAnchor = Random.Range(1, dungeonSize - 1);

however i have tried removing the random part and putting an integer and the error is still the same???