OTRS 3.3 - Process Management export/import

[kruegerM]

I have exported a working process from one machine and tried to import it into another.
OTRS gave the following error:
Could not find a entity mapping for Activity: A16
It repeated the error for Activities A14, A2, A3, and A4

The actual process has the following activities:
A1, A10, A11, A12, A13, A15, A5, A6, A7, A8, A9

I opened the YML file and found those Activities only in the Layout section.
I removed the 5 problems and the process imported perfectly.

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