HOW TO SOLVE THIS PROBLEM TYPE IPW JA CHANGED AND TOLERANCE no avail
I'm not sure what you are asking here. There is a lot of documentation on all the different tolerances that affect the IPW in the processors, verification, and simulation. I searched the help for IPW tolerance and got 16 results.
It looks like your cutting part of the tool is very short.
The grey part of the tool is not removing any material.
Try to increase the flute length of your tool, or take smaller steps in depth to make sure you remove the material.
When you set "Pause on Collision" on before you start you will probably get a collision message.
This is the result of too short flute length: