Jackfruit Extension

Jackfruit extension not working

Pressing Add Application button does nothing on the opened Linkedin job page.
Browser console has following errors:
VM114:4 Uncaught TypeError: Cannot read properties of undefined (reading 'getElementsByClassName')
at getLinkedinCode (<anonymous>:4:5)
at <anonymous>:27:3
getLinkedinCode @ VM114:4
(anonymous) @ VM114:27
VM115:7 Uncaught TypeError: Cannot read properties of undefined (reading 'innerText')
at getAlternateLinkedinCode (<anonymous>:7:35)
at <anonymous>:27:3
getAlternateLinkedinCode @ VM115:7
(anonymous) @ VM115:27
VM116:3 Uncaught TypeError: Cannot read properties of undefined (reading 'getElementsByClassName')
at getRecommendedJobLinkedinCode (<anonymous>:3:5)
at <anonymous>:32:3