Client Script in Incident form

[Vengeful]

I received a requirement that in the incident form, if Subcategory 1 (u_subcategory) is SAP, only APO, ECC, OpenText, and SAP-Security should be shown in the CI field.

I created a Client Script, but there's an error: onChange script error: TypeError: g_form.setDependentField is not a function function () { [native code] }

Client Script:

[Abhishek Kathe]

Hi,
refer the below youtube link and watch from the 32:50
https://youtu.be/kcKcM50CTyc?si=dnNRVZDUE1UNqSQc