call of overloaded 'begin(int)' is ambiguous

[dhineshkumarmcci]

Tried to work with soft serial read and write for a custom application. Have received below issue with sketch developed and example sketches.

C:\Users\dhineshkumar\Documents\Arduino\libraries\SoftwareSerial/SoftwareSerial.h:48:12: error: 'PORT_IN_Type' does not name a type
   volatile PORT_IN_Type *_receivePortRegister;
            ^~~~~~~~~~~~
C:\Users\dhineshkumar\Documents\Arduino\libraries\SoftwareSerial/SoftwareSerial.h:50:12: error: 'PORT_OUT_Type' does not name a type
   volatile PORT_OUT_Type *_transmitPortRegister;
            ^~~~~~~~~~~~~
C:\Users\dhineshkumar\Documents\Arduino\libraries\SoftwareSerial\examples\SoftwareSerialExample\SoftwareSerialExample.ino: In function 'void setup()':
SoftwareSerialExample:29:22: error: call of overloaded 'begin(int)' is ambiguous
   mySerial.begin(9600);
                      ^
In file included from C:\Users\dhineshkumar\Documents\Arduino\libraries\SoftwareSerial\examples\SoftwareSerialExample\SoftwareSerialExample.ino:18:0:
C:\Users\dhineshkumar\Documents\Arduino\libraries\SoftwareSerial/SoftwareSerial.h:80:8: note: candidate: void SoftwareSerial::begin(long int)
   void begin(long speed) { this->begin((unsigned long)speed); }
        ^~~~~
C:\Users\dhineshkumar\Documents\Arduino\libraries\SoftwareSerial/SoftwareSerial.h:81:8: note: candidate: void SoftwareSerial::begin(long unsigned int)
   void begin(unsigned long speed);
        ^~~~~
Using library SoftwareSerial at version 2.0.0 in folder: C:\Users\dhineshkumar\Documents\Arduino\libraries\SoftwareSerial 
exit status 1
call of overloaded 'begin(int)' is ambiguous