I would like to call the login function when I click the login button but keep getting the error message in the title. Can someone point out the error in my script?
In my case, I was having an exact same issue as yours. However, coming across gkalpak's answer to such a scenario helped me out.
Turned out to be what I was calling was addBuddy() function, from a form named "addBuddy". The solution was to change the name of either of the two things to make one stand out or differentiable from the other. I changed the name of the form to "addBuddyForm" and voila! My function worked!
Here's a snippet of my case: