Question about a warrant Issued?

i got pulled over a while back for bad tabs, apperently my liscance had been suspended from a ticket i had forgotten to pay off, the cop let me go and said i would be hearing from the city in a few days to hear if they where gonna charge me with driving on a suspended, promptly a letter arrived explaining that if i payed off both the previous ticket and the one issued they would not charge me with the DoS i did that, and then yesterday a letter came in the mail saying a warrant had been issued for a failure to appear for a court day i never knew about, they want me to turn my self in tomorrow at 8:00 am so i can be put on the court docket that day or something. I was just wondering how serious this was and if i am going to be arrested or what. i was just trying to pay the thing and be done... im so worried, and my family is supposed to be going on our first vacation ever on the 20th , we've been saving all year...