issue in IW32 Teco

Hello ,

I am on personas 3.SAPK 3.

what I am trying to do is to create a TECO button on main IW32 screen . as in screen below

now to do that, I need to enter an order ID, open it and from the menu I need to do the Technically completed. ( below)

To do this, I have simple done screen recording and then added the script to the button.

When I clicking "TECO" I am getting the below error.

kindly help in this issue.