3492357 - Error: "CLS_SCWN__SVT__SNO_SEARCH_CRIT is unknown" when starting Note Assistant tool (SNOTE)

When starting the Note Assistant tool (SNOTE transaction), the following dump occurs:

Category ABAP programming error
Runtime Errors SYNTAX_ERROR
ABAP Program SAPLSCWN
Application Component BC-UPG-NA
Date and Time DD.MM.YYYY HH:MM:SS

Error in the ABAP Application Program
The current ABAP program "SCWN_ENTRY_TREE" had to be terminated because it has
come across a statement that unfortunately cannot be executed.
In include "LSCWN$62 ", in line 9 of program
"SAPLSCWN ", the following syntax errors
have occurred:
Type "CLS_SCWN__SVT__SNO_SEARCH_CRIT" is unknown 

SAP NetWeaver 7.4 and higher

KBA , BC-UPG-NA , Note Assistant , Problem