Error decrypting data

[rinsarmu]

I have integrated better player for video protected by drm. month ago the app works fine. but today the below error is coming form nowhere.
i am checking the app on android tv emulator.

Failed on decrypt, error description:Status(-8, EX_SERVICE_SPECIFIC): '9: {"cdmError":179,"errorMessage":"Error decrypting data: insufficient output protection"}'
I/CCodecBufferChannel( 3852): [c2.android.aac.decoder#485] decrypt failed: result=-2011
W/MediaCodec( 3852): Log queueSecureInputBuffer error: -2011
D/CryptoHalAidl( 3852): framework logs size 10; plugin logs size 27
E/CryptoHalAidl( 3852): Failed on decrypt, error description:Status(-8, EX_SERVICE_SPECIFIC): '9: {"cdmError":179,"errorMessage":"Error decrypting data: insufficient output protection"}'
I/CCodecBufferChannel( 3852): [c2.goldfish.h264.decoder#441] decrypt failed: result=-2011
W/MediaCodec( 3852): Log queueSecureInputBuffer error: -2011