IouserusbSerial::Connectqueues permission error

Hi all,
I inherited iouserusbserial class ,
When I am trying to connect using cool term, it's giving error as "ERROR occurred while attempting to open port,, 100:Access denied",
I can see log from connect queues function, and immediately disconnect queue is called, I am hoping some solution for this permission denied error

In log stream I can see as below
IOUserSerial::<private>: 522 0x6000028f4058
IOUserSerial::<private>:523 0x6000028f4058
IOUserSerial::<private>:110 0x6000028f4058
IouserusbSerial::Connectqueues permission error
 
 
Q