What's going on? why it tells error

Cocos Creator
#1

Hello, please help to solve it
we just try to use ‘Enum’ as @property type

Screen Shot 2564-11-04 at 14.49.44
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Why CC so sensitive for ‘magic’ errors?

CC 3.3.1

#2

How did you trigger this error report? Can you post your code to see?

#3

Ok, i will try to do a demo for you.

#4

ok, thanks.