code crashes accessing randomization code

Dependencies:   LoRaWAN-SX1272-Application-24-31-9sec X_NUCLEO_IKS01A1 driver_mbed_TH02 LoRaWAN-lib-v1_0_1 SX1272Lib mbed

Fork of LoRaWAN-SX1272-Application-24-31-9sec by Oleh Zvonarov

Revision:
7:c63508d8ff9c
Parent:
6:dfba69760b76
--- a/app/Config.h	Fri Nov 10 09:42:56 2017 +0000
+++ b/app/Config.h	Thu Nov 16 18:30:00 2017 +0000
@@ -31,7 +31,7 @@
 #else
 
 // define channel block: e.g. USE_BAND_915_HYBRID_BLOCK_A, USE_BAND_915_HYBRID_BLOCK_B ... USE_BAND_915_HYBRID_BLOCK_H etc.
-#define USE_BAND_915_HYBRID_BLOCK_A
+#define USE_BAND_915_HYBRID_BLOCK_D
 
 #endif
 
@@ -55,14 +55,14 @@
  * \remark 1 : Confirmed messages enabled. Must receive ACK from network server
            0 : Confirmed messages disabled. 
  */
-#define LORAWAN_CONFIRMED_MSG_ON                    1
+#define LORAWAN_CONFIRMED_MSG_ON                    0
 
 /*!
  * LoRaWAN Adaptive Data Rate
  *
  * \remark Please note that when ADR is enabled the end-device uses default datarate of DR_0
  */
-#define LORAWAN_ADR_ON                              0
+#define LORAWAN_ADR_ON                              1
 
 /*!
  * Default mote datarate