shosestsu v1.1.8 CRASH WHEN TRY TO OPEN NOVEL

PROJECT INFORMATION

ISSUES : https://github.com/Doomsdayrs/shosetsu/issues/20
REPOSITORIES: https://github.com/Doomsdayrs/shosetsu/

EXPECTED BEHAVIOR

this application will open the novel well so that users can read whatever novels they want

ACTUAL BEHAVIOR

when the user wants to open a novel to read, before the novel is fully loaded this application will stop working and crash.

STEP TO REPRODUCE

• download and install the app
• open the app
• click on tree line on the left side
• click on catalogue
• chose novel full or box novel
• wait for a second and novel list will appear
• then chose any novel you want to read
• note the error

BUG RECORDING

DEVICE

android 6.1
oppo neo 6

LOGCAT

Process: com.github.doomsdayrs.apps.shosetsu, PID: 3491
java.lang.RuntimeException: An error occured while executing doInBackground()
    at android.os.AsyncTask$3.done(AsyncTask.java:304)
    at java.util.concurrent.FutureTask.finishCompletion(FutureTask.java:355)
    at java.util.concurrent.FutureTask.setException(FutureTask.java:222)
    at java.util.concurrent.FutureTask.run(FutureTask.java:242)
    at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:231)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587)
    at java.lang.Thread.run(Thread.java:818)
Caused by: java.lang.NoSuchMethodError: No static method encodeBase64String([B)Ljava/lang/String; in class Lorg/apache/commons/codec/binary/Base64; or its super classes (declaration of 'org.apache.commons.codec.binary.Base64' appears in /system/framework/ext.jar)
    at com.github.doomsdayrs.apps.shosetsu.backend.database.Database.serialize(Database.java:126)
    at com.github.doomsdayrs.apps.shosetsu.backend.database.Database.access$000(Database.java:54)
    at com.github.doomsdayrs.apps.shosetsu.backend.database.Database$DatabaseChapter.addToChapters(Database.java:464)
    at com.github.doomsdayrs.apps.shosetsu.backend.async.NovelLoader.doInBackground(NovelLoader.java:86)
    at com.github.doomsdayrs.apps.shosetsu.backend.async.NovelLoader.doInBackground(NovelLoader.java:42)
    at android.os.AsyncTask$2.call(AsyncTask.java:292)
    at java.util.concurrent.FutureTask.run(FutureTask.java:237)
    ... 4 more```