In Tool settings when you set your stock

Not that this is likely the issue but there is a bug in model chamfer, most likely a chaining issue as suggested above. http://forum.mastercam.com/Topic38414.aspx

See these photos:

Configuration - Toolpath - Memory buffering

I can make a video for you. Either post the PDF print or message me here on Emastercam.

Speed is usually the problem when drilling SS. Once the drill gets slightly dull it work hardens the material.

Some good info here on Pocket Entry. https://blog.caminstructor.com/the-1-mistake-i-see-on-mastercam-certification-tests?utm_campaign=Mastercam Video Blog&utm_source=hs_email&utm_medium=email&utm_content=80019811&_hsenc=p2ANqtz-_VD2MgItgc_2n2n4K_r7ikK1JJcDtXCduWoDrvdJltytKciQ8pCV2yRxpPKproMCBgXQAiMqx5QNM0AKzNqfaL3x_org&_hsmi=80019811

Post your valid Mastercam file and someone will help you.

Some info here on Dynamic motion in Mastercam.

If you are working with a reseller, be honest with them and see what they can do.

If you are paying for lessons you should ask the Caminstructor instructor.

Is this a Caminstructor lesson again?

I am with JP. Why would you want to pay for 15 year old outdated software. If money is an issue look at other solutions.

Not to mention small arcs can cause serious problems on older FANUC controls.....creating huge gouges. Vericut will give a warning on these.

On the Transitions Tab - Skip pockets smaller than is too large.