问Crashlytics崩溃

EN

1673-3919/io.docchat.android.debug E/Crashlytics﹕ Error occurred sending report com.crashlytics.android.Z@428b99d0
com.crashlytics.android.internal.aD: java.io.FileNotFoundException: /data/data/io.docchat.android.debug/files/.TwitterSdk/v/com.crashlytics.sdk.android/54F832010096-022D-0689-446ED43C9162.cls: open failed: ENOENT (No such file or directory)
        at com.crashlytics.android.internal.ay.a(SourceFile:2655)
        at com.crashlytics.android.W.a(SourceFile:55)
        at com.crashlytics.android.aa.a(SourceFile:81)
        at com.crashlytics.android.D.a(SourceFile:1014)
        at com.crashlytics.android.internal.aa.run(SourceFile:13)
        at java.lang.Thread.run(Thread.java:841)
 Caused by: java.io.FileNotFoundException: /data/data/io.docchat.android.debug/files/.TwitterSdk/v/com.crashlytics.sdk.android/54F832010096-022D-0689-446ED43C9162.cls: open failed: ENOENT (No such file or directory)
        at libcore.io.IoBridge.open(IoBridge.java:409)
        at java.io.FileInputStream.<init>(FileInputStream.java:78)
        at com.crashlytics.android.internal.ay.a(SourceFile:2652)
        at com.crashlytics.android.W.a(SourceFile:55)
        at com.crashlytics.android.aa.a(SourceFile:81)
        at com.crashlytics.android.D.a(SourceFile:1014)
        at com.crashlytics.android.internal.aa.run(SourceFile:13)
        at java.lang.Thread.run(Thread.java:841)
 Caused by: libcore.io.ErrnoException: open failed: ENOENT (No such file or directory)
        at libcore.io.Posix.open(Native Method)
        at libcore.io.BlockGuardOs.open(BlockGuardOs.java:110)
        at libcore.io.IoBridge.open(IoBridge.java:393)
        at java.io.FileInputStream.<init>(FileInputStream.java:78)
        at com.crashlytics.android.internal.ay.a(SourceFile:2652)
        at com.crashlytics.android.W.a(SourceFile:55)
        at com.crashlytics.android.aa.a(SourceFile:81)
        at com.crashlytics.android.D.a(SourceFile:1014)
        at com.crashlytics.android.internal.aa.run(SourceFile:13)
        at java.lang.Thread.run(Thread.java:841)
1673-3915/io.docchat.android.debug I/Crashlytics﹕ Crashlytics report upload complete: 54F8320003D0-022C-0689-446ED43C9162.cls
1673-3923/io.docchat.android.debug W/dalvikvm﹕ threadid=28: thread exiting with uncaught exception (group=0x41839898)
1673-3918/io.docchat.android.debug I/Crashlytics﹕ Crashlytics report upload complete: 54F8320100DE-022E-0689-446ED43C9162.cls