java.lang.RuntimeException: An error occurred while executing doInBackground()

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An error occurred while executing doInBackground()
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An error occurred while executing doInBackground()
java.lang.ArrayIndexOutOfBoundsException: length=12; index=-1	at java.util.ArrayList.get(ArrayList.java:310)	at com.prashant.ProductsListFragment.parseJSONData(ProductsListFragment.java:250)	at com.prashant.ProductsListFragment$getDataTask.doInBackground(ProductsListFragment.java:185)	at com.prashant.ProductsListFragment$getDataTask.doInBackground(ProductsListFragment.java:167)	at android.os.AsyncTask$2.call(AsyncTask.java:295)	at java.util.concurrent.FutureTask.run(FutureTask.java:237)	at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:234)	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1113)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:588)	at java.lang.Thread.run(Thread.java:818)