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Attempt to invoke virtual method 'java.lang.String java.lang.String.toLowerCase()' on a null object reference
java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String java.lang.String.toLowerCase()' on a null object reference	at com.nextgis.maplibui.dialog.SelectNGWResourceDialog.fillConnections(SelectNGWResourceDialog.java:211)	at com.nextgis.maplibui.dialog.SelectNGWResourceDialog.onCreateDialog(SelectNGWResourceDialog.java:114)	at android.support.v4.app.DialogFragment.getLayoutInflater(DialogFragment.java:307)	at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1104)	at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1286)	at android.support.v4.app.BackStackRecord.run(BackStackRecord.java:758)	at android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1671)	at android.support.v4.app.FragmentManagerImpl$1.run(FragmentManager.java:532)	at android.os.Handler.handleCallback(Handler.java:815)	at android.os.Handler.dispatchMessage(Handler.java:104)	at android.os.Looper.loop(Looper.java:194)	at android.app.ActivityThread.main(ActivityThread.java:5624)	at java.lang.reflect.Method.invoke(Native Method)	at java.lang.reflect.Method.invoke(Method.java:372)	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:959)	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:754)