2888450 - Syntax error: 'Type "SCWB_T_NO_PATCHLEVEL" is unknown' in SNOTE & SPAM

When you try to open SNOTE or SPAM transaction, following syntax error is displayed,

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Category ABAP programming error
Runtime Errors SYNTAX_ERROR
ABAP Program SAPLSCWN
Application Component BC-UPG-NA
Date and Time XXXXXX

Short Text
Syntax error in program "SAPLSCWN ".

What happened?
Error in the ABAP application program.

The current ABAP program "SCWN_ENTRY_TREE" had to be terminated because it
found a
statement that could not be executed.
In include "CL_SCWN_NOTE_OPERATIONS=======CU ", in line 50 of program
"SAPLSCWN ", the following syntax errors
have occurred:
Type "SCWB_T_NO_PATCHLEVEL" is unknown.

or

Category ABAP programming error
Runtime Errors SYNTAX_ERROR
ABAP Program SAPLSCWN
Application Component BC-UPG-NA
Date and Time XXXXXXX

Short Text
Syntax error in program "SAPLSCWN ".

What happened?
Error in the ABAP application program.

The current ABAP program "SAPLSPAM" had to be terminated because it found a
statement that could not be executed.
In include "CL_SCWN_NOTE_OPERATIONS=======CU ", in line 50 of program
"SAPLSCWN ", the following syntax errors
have occurred:
Type "SCWB_T_NO_PATCHLEVEL" is unknown.

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 SNOTE, SPAM

SCWB_T_NO_PATCHLEVEL, SNOTE, SPAM,Dump, syntax error, SCWN_ENTRY_TREE, SAPLSPAM , KBA , BC-UPG-NA , Note Assistant , Problem