After upgrading my jenkins plugin in version 2.479.2 , drop down not works

Using Jenkins Ask a question
1

when selecting Execute OpKey SaaS TestSuite it’s not opening,showing this on console.

image
image1912×891 82.3 KB

attached my config.jelly file
config.zip (29.0 KB)

2

Is that a closed source plugin?
Which Jenkins version have you been using before?

3

yes it’s closed source plugin, I’m using 2.414.3 before

4

might be that you’re using prototype code then. prototype.js was removed with 2.426.3