The mobile app error

[Chengcheng Gou]

hello

I run the mobile app, but the error occur:
What about the cause of the error,and how to solve it? Thanks！

LOSS counter for ACCH 31
Dropping frame with 86 bit errors
Dropping frame with 84 bit errors
Dropping frame with 79 bit errors
LOSS counter for ACCH 30
Dropping frame with 82 bit errors
Dropping frame with 82 bit errors
Dropping frame with 89 bit errors
LOSS counter for ACCH 29
Dropping frame with 86 bit errors
Dropping frame with 76 bit errors
Dropping frame with 70 bit errors
LOSS counter for ACCH 28
Dropping frame with 88 bit errors
Dropping frame with 79 bit errors
Dropping frame with 70 bit errors
LOSS counter for ACCH 27