ABB_LIB_Base semantic error in OmniCore RW8.1.1

May i ask for support in this semantic error topic.

During migration of ABB_LIB_Base.sys from RW6.9 to RW8.1.1 got the following error:

image

Where did this module reside? Who wrote this module? Can you post the line of code from that module which is being pointed out?