Time function datetime_format get error

GSQL
#1 
CREATE QUERY test_demo(/* Parameters here */) FOR GRAPH traffic { 
  /* Write query logic here */ 
        STRING d = datetime_format(now(),"％Y-％m-％d％");
  PRINT d; 
}

image

#2

In GSQL, it is required to clearly separate the definition of data structure and running logics.

Please split that line into two lines.

string d;

d = datetime_format…

print…

Thanks.