3476500 - SNOTE SYNTAX_ERROR: "LS_HTML_CONTENT" cannot be converted to the row type of "IT_HTML_CONTENT"

After implementing note 3296107 , below syntax error happens

Category               ABAP programming error
Runtime Errors         SYNTAX_ERROR
ABAP Program           SAPLSCWN
Application Component  BC-UPG-NA

 Short Text
     Syntax error in program "SAPLSCWN                                ".

 What happened?
     Error in the ABAP application program.

     The current ABAP program "CL_SPAU_MODE_CALCULATOR=======CP" had to be
      terminated because it found a
     statement that could not be executed.
     In include "LSCWNU69                                ", in line 57 of program
      "SAPLSCWN                                ", the following syntax errors
     have occurred:
     "LS_HTML_CONTENT" cannot be converted to the row type of "IT_HTML_CONT
     ENT". The reverse is also not possible.

SAP AS ABAP system

SYNTAX_ERROR, SAPLSCWN, CL_SCWN_NA_NT_BRWSR_SCRN_HLPR=CP, CL_SPAU_MODE_CALCULATOR, "LS_HTML_CONTENT" cannot be converted to the row type of "IT_HTML_CONTENT". The reverse is also not possible. , KBA , BC-UPG-NA , Note Assistant , Problem