Exclude loading few rows based on a condition

[ZIG]

I want to exclude loding those rows which has a value in a particular column, I have tried but it gives me error

I want to exclude those rows which has 'TTG_mm' present in the column - code
my load script code - 

[data1]:

LOAD *,

Rowno() AS FLAG_data1,

MonthName(date) AS Month_Year

FROM [lib:// filepath.csv]

Where not WildMatch(code, '*TTG_mm*');

drop field department_2, country_code, s_value;

can somebody please help me on this

[BrunPierre]

How about this?

Where WildMatch(code, '*TTG_mm*') = 0;

[vinieme12]

can you post a screenshot of the error message?