请问这是什么错误

[258459885596]

java.lang. NoClassDefFoundError Failed resolution of: Lcom/baidu/duer/dcsframewr
decoder/JL ayerDecoderlmpl;
at com.baidu.duer.dcs.frameworDClie (DcsClient.java:130)
a4 comhadaurat com.bai duer.dcs..framework DcsEramework teDesClientDcs Framework,java:14)
at com.baidu.duer.dcs framework.DcsFramewor
at
com.baidu.duer.dcs androidapp.DcsSampleMainActiimAty.java:137)
com.baidu.duer.ds androidapp.DcsSampleMainActivi onCreate(DcsSampleMainActivitaa:84)
at android.app.Activityitat android.app.Activity.performCrec
at android .app Instrume tation. calctivityOnCreatelnstrmi
at android.app.ActivityThreado .aunchActivity(ActivityThreadaat android.app.ActivityThread .handleL aunchActivity(ActivityTheda9at android.app.ActivityThread-r1Unknown Source:0)
at android.app.ActivityThreaddeecat android.os.Handler.dispatchMesse1at android.os.Looper.loop(L ooper.java:171)
at android.app.Activited main(ActivityThreadjav664at java.lang.reflectMo Method)
at com.android.internalosa
at com. android.internal os.Zygotelnit.mainZygotelnit.j8Caused by: java.lang.ClassNotFoundExcet Didn't find class
"com.baidu.duer.dcs ayerDecoderlmpl on path:
DexPathList[zip file "/data/app/com.baidu 5Mc-CNu-Tb2A==/base.apk",nativeibrarDire app/com.baidu.duer.dcs0T6P9_ .5Mc-CNu-Tb2A==/lib/arm, /system/ fake-libs, /data/ app/ com.baidu.duer.dcs-
RbOBT6PN9_ 5Mc-CNu-Tb2A==/base .apk! /armeabi, /system/lib, /system/vendor/lib]]
at dalvik. system. BaseDexClassl oader.findClass(BaseDeClass oader.java:125)at java.lang .ClassLoaderloadClass(ClassL oader.java:379)at java.lang.ClassLoader.loadClassClassLoadeaa... 18 more