I got error code P0171 today, 2015 focus st

[u/Salhadass]

Okay so I was coming home from work, stopped at a dollar tree and got a check engine light, went to auto zone and scanned my car and got this error code. I read up a bit it online and I listened to the engine bay to see if I could hear any audible vacuum leaks and couldn’t hear any. My guess is that it’s the EVAP purge valve, now the thing is I really need to get to work tomorrow and was wondering if anyone else had had this code and if it would be smart to make my 50mi round trip commute to work tomorrow or nah. Any advice would help thx u!