java.lang.RuntimeException

An error occurred while executing doInBackground()

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Stack trace

java.lang.RuntimeException: An error occurred while executing doInBackground()
	at android.os.AsyncTask$3.done(AsyncTask.java:309)
	at java.util.concurrent.FutureTask.finishCompletion(FutureTask.java:354)
	at java.util.concurrent.FutureTask.setException(FutureTask.java:223)
	at java.util.concurrent.FutureTask.run(FutureTask.java:242)
	at android.os.AsyncTask$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)
Caused by: 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)
	... 4 more