Subject: control._subjects undefined

An Error message pops up on my screen when ever the website suppose to runder the component as follows

TypeError: Cannot read properties of undefined (reading 'watch')
useWatch
C:/Users/toshiba/Desktop/Web design/src/useWatch.ts:62
  59 | 
  60 | useSubscribe({
  61 |   disabled,
> 62 |   subject: control._subjects.watch,
     | ^  63 |   callback: (formState) => {
  64 |     if (
  65 |       shouldSubscribeByName(
View compiled

would you kindly checkout whats wrong with my code (below is the github respo)

Github Respo