Problem programming Bootloader accessing MDM-AP

[juanordonezcerezo]

I receive the following error programming bootloader: 

InitTarget()

Connect Under Reset

Communication error while accessing MDM-AP.

Connect Under Reset

InitTarget()

Connect Under Reset

Communication error while accessing MDM-AP.

Connect Under Reset

****** Error: InitTarget(): PCode returned with error code -1

I use this guide:

https://nxp.gitbook.io/hovergames/userguide/programming