Hello, Any help here on this Error for a blank date?
WORKDAY(
{PRODUCT LAUNCH DATE},
SWITCH(
{TASK TYPE},
“BOOTH DESIGN”,-21,
“SHOWCASE VIDEO”,-21,
“SHOWCASE PHOTOGRAPHY”,-21,
“LIFESTYLE VIDEO”,-21,
“LIFESTYLE PHOTOGRAPHY”,-21,
“APPAREL”,-14,
“BACKLIT AD”,-14,
“ADS”,-14,
“SNAPCHAT ADS”,-14,
“PR MARKETING GRAPHICS”,-14,
“END SLATE”,-14,
“PIN”,-14,
“PRE ROLL AD”,-14,
“EMAIL BLAST”,-14,
“DISTRIBUTION ADS”,-14,
“PRINT AD”,-14,
“DIGITAL GRAPHIC”,-14,
“QUARTERLY DIGITAL SPEND AD”,-14,
“WEB ADS”,-14,
“RETAILER KIT”,-14,
“PRINT GRAPHIC”,-14,
“OTHER”,-14,
“GOOGLE DISPLAY ADS”,-14,
“TENSION BANNER”,-14,
“DIGITAL SCREEN GRAPHIC”,-14,
“COPY ONLY”,-7
))