Acquisition of id error message

1: From the T100 can be found in the id error message

SELECT MSGNR FROM T100 INTO STR WHERE TEXT = 'Item 10: Serial number was not entered in item'.
WRITE STR.
ENDSELECT.

SELECT MSGNR FROM T100 INTO STR WHERE TEXT = 'Serial number was not entered in item'.
WRITE STR.
ENDSELECT.

2：

 

 

http://blog.chinaunix.net/uid-20670619-id-1580838