Navigator cannot update even restarted, recompiled, refreshed

 

As shown as the below image, I have tried restarting the MT4, recompiled those indicators, refreshed on the Navigator window.

Unfortunately, none of them work, would anyone know how would it be fixed?



 
I got the answer myself again: Navigator have limit of around 1000 maximum entries, so no more indicators can be load beyond this limit.

I temporarily removed about 500 indicators and my indicators finally got shown up on the Navigator.
Reason: