2877247 - SYNTAX_ERROR on Program STC_SCN_MAINTAIN when executing STC01

After implementing note 2173829 - Task Manager for Technical Configuration (10. Improvement), executing transaction STC01 will display below error:

Category ABAP Programming Error
Runtime Errors SYNTAX_ERROR
ABAP Program STC_SCN_MAINTAIN
Application Component BC-INS-TC-RT
Date and Time 21.12.2019 11:39:08

Short Text
Syntax error in program "STC_SCN_MAINTAIN ".

What happened?
Error in the ABAP Application Program

The current ABAP program "????????????????????????????????????????" had to be
terminated because it has
come across a statement that unfortunately cannot be executed.
In include "CL_STCTM_TASKLIST=============CU ", in line 27 of program
"STC_SCN_MAINTAIN ", the following syntax errors
have occurred:
"TS_TASK-" expected, not "STC_TASK_"

SAP systems based on Netweaver 740, 750

STC_SCN_MAINTAIN, SYNTAX_ERROR, CL_STCTM_TASKLIST=============CU, "TS_TASK-" expected, not "STC_TASK_", 2173829 , KBA , BC-INS-TC-RTC , ABAP based Technical Config Content (using CEs) , BC-UPG-NA , Note Assistant , Problem