NameError: name 'java_vim_bridge' is not defined

[jarviszeng-zjc]

hello,
I have this problem:

Error detected while processing function mpsync#preview[5]..64_open:
line 18:
Traceback (most recent call last):
File "", line 2, in
NameError: name 'java_vim_bridge' is not defined

macOS Mojave 10.14.1
vim 8.0.1283

Please help, thank you very much.

[naosense]

it looks python version does not match vim version, are they both 32 bit?