try find out where is the issue

Core/Src/gpio.c

@@ -78,7 +78,6 @@ void MX_GPIO_Init(void)
   GPIO_InitStruct.Mode = GPIO_MODE_IT_FALLING;
   GPIO_InitStruct.Pull = GPIO_PULLUP;
   HAL_GPIO_Init(BUT3_GPIO_Port, &GPIO_InitStruct);
-
 #ifdef STS_WS
   // STS_Weight_Scale
 

Core/Src/main.c

@@ -23,7 +23,7 @@
 
 /* Private includes ----------------------------------------------------------*/
 /* USER CODE BEGIN Includes */
-#include "sts_weight_scale.h"
+
 /* USER CODE END Includes */
 
 /* Private typedef -----------------------------------------------------------*/
@@ -85,14 +85,9 @@ int main(void)
 
   /* Initialize all configured peripherals */
   MX_GPIO_Init();
-
   MX_LoRaWAN_Init();
   /* USER CODE BEGIN 2 */
 
-  	APP_LOG(TS_OFF, VLEVEL_M, "\r\n ----- Start  ----- \r\n");
-
-    //sts_weight_scale();
-
   /* USER CODE END 2 */
 
   /* Infinite loop */
@@ -100,8 +95,6 @@ int main(void)
   while (1)
   {
     /* USER CODE END WHILE */
-
-
     MX_LoRaWAN_Process();
 
     /* USER CODE BEGIN 3 */

Core/Src/sys_app.c

@@ -30,11 +30,11 @@
 #include "utilities_def.h"
 #include "sys_debug.h"
 #include "sys_sensors.h"
+
+/* USER CODE BEGIN Includes */
 #ifdef STS_WS
 #include "sts_weight_scale.h"
 #endif
-/* USER CODE BEGIN Includes */
-
 /* USER CODE END Includes */
 
 /* External variables ---------------------------------------------------------*/

LoRaWAN/App/lora_app.c

@@ -641,7 +641,6 @@ static void SendTxData(void)
     AppData.Buffer[i++] = (uint8_t)(sts_sensor_data.weight_scale_value >> 8& 0xFF);
     AppData.Buffer[i++] = (uint8_t)(sts_sensor_data.weight_scale_value & 0xFF);
 #endif
-
     AppData.BufferSize = i;
 #endif /* CAYENNE_LPP */
 

LoRaWAN/Target/lorawan_conf.h

@@ -94,10 +94,10 @@ extern "C" {
 /*#define REGION_CN470*/
 /*#define REGION_CN779*/
 /*#define REGION_EU433*/
-/*#define REGION_EU868*/
+#define REGION_EU868
 /*#define REGION_KR920*/
 /*#define REGION_IN865*/
-/*#define REGION_US915*/
+#define REGION_US915
 /*#define REGION_RU864*/
 
 /*!