2637671 - After the upgrade to SP4 of Solution Manager. Solman_Setup terminates with Sytax error CL_SISE_ACT_CUSTOM_NOTE=======CP

Executing Solman_Setup ends in error .

In the Browser it shows

500 SAP Internal Server Error
ERROR: Syntax error in program CL_SISE_ACT_CUSTOM_NOTE=======CP . (termination: RABAX_STATE)

In ST22 it shows.

Category               ABAP Programming Error
Runtime Errors         SYNTAX_ERROR
ABAP Program           CL_SISE_ACT_CUSTOM_NOTE=======CP
Application Component  SV-SMG-INS-CFG

Short Text
     Syntax error in program "CL_SISE_ACT_CUSTOM_NOTE=======CP        ".

 What happened?
     Error in the ABAP Application Program

     The current ABAP program "SAPLAGS_SISE_UTIL" had to be terminated because it
      has
     come across a statement that unfortunately cannot be executed.
     In include "CL_SISE_ACT_CUSTOM_NOTE=======CM014     ", in line 1 of program
      "CL_SISE_ACT_CUSTOM_NOTE=======CP        ", the following syntax errors
     have occurred:
     Method "GET_ACTIVITY_ID" does not exist. There is, however, a method w
     ith the similar name "GET_ALTERNATE_ACTIVITY_ID".

SAP Solution Manager 7.2 SP4

CL_SISE_ACT_CUSTOM_NOTE=======CP, Solman_setup, syntax error , GET_ACTIVITY_ID , KBA , SV-SMG-INS-CFG , Setup and Configuration of the Solution Manager system , Problem