Can you please help me

C:\Users\bwijesoo\Documents\Arduino\sketch_feb24b\sketch_feb24b.ino:14:8: warning: 'Modbus::Modbus(uint8_t, uint8_t, uint8_t)' is deprecated [-Wdeprecated-declarations]

 Modbus bus;                          //Define Object bus for class modbus

        ^~~

In file included from C:\Users\bwijesoo\Documents\Arduino\sketch_feb24b\sketch_feb24b.ino:5:0:

C:\Program Files (x86)\Arduino\libraries\Modbus-Master-Slave-for-Arduino-master/ModbusRtu.h:272:1: note: declared here

 Modbus::Modbus(uint8_t u8id, uint8_t u8serno, uint8_t u8txenpin)

 ^~~~~~

C:\Users\bwijesoo\Documents\Arduino\sketch_feb24b\sketch_feb24b.ino: In function 'void setup()':

C:\Users\bwijesoo\Documents\Arduino\sketch_feb24b\sketch_feb24b.ino:29:21: warning: 'Modbus::Modbus(uint8_t, uint8_t, uint8_t)' is deprecated [-Wdeprecated-declarations]

   bus = Modbus(1,1,4);            //Modbus slave ID as 1 and 1 connected via RS-485 and 4 connected to DE & RE pin of RS-485 Module

                     ^

In file included from C:\Users\bwijesoo\Documents\Arduino\sketch_feb24b\sketch_feb24b.ino:5:0:

C:\Program Files (x86)\Arduino\libraries\Modbus-Master-Slave-for-Arduino-master/ModbusRtu.h:272:1: note: declared here

 Modbus::Modbus(uint8_t u8id, uint8_t u8serno, uint8_t u8txenpin)

 ^~~~~~

C:\Users\bwijesoo\Documents\Arduino\sketch_feb24b\sketch_feb24b.ino:30:17: warning: 'void Modbus::begin(long int)' is deprecated [-Wdeprecated-declarations]

   bus.begin(9600);                //Modbus slave baudrate at 9600

                 ^

In file included from C:\Users\bwijesoo\Documents\Arduino\sketch_feb24b\sketch_feb24b.ino:5:0:

C:\Program Files (x86)\Arduino\libraries\Modbus-Master-Slave-for-Arduino-master/ModbusRtu.h:385:6: note: declared here

 void Modbus::begin(long u32speed)

      ^~~~~~

Sketch uses 6256 bytes (19%) of program storage space. Maximum is 32256 bytes.
Global variables use 438 bytes (21%) of dynamic memory, leaving 1610 bytes for local variables. Maximum is 2048 bytes.