How to clear this error and frame the series

FWF.mw

How to find the series.I'm getting this error.Please help to solve this.

AF.mw

Could you please help me to solve this error.

my code is here.

CR-C.mw

Please Help.

I have solve this problem in Runge-Kutta Method but i'm getting error.Can you solve this in RK Method or How to give a code for Shooting Method.

Here is my code.

 HNF1.mw

could any one help  to plot this.

Here is my code.

PWS.mw

I need to make the graph i have attached match the image below.

Is there any wrong with unknown parameter i found?How to solve this.Please Help.