GTA IV no mission icons! Im stuck!

[Dylflon]

this happened to me too. Before the wedding sometimes if you get called to late in the day about it, the event won't start. So you have to run around and kill time until the next day.

Kate will call you again and then you can go pick her up. Just run around and do stuff until then.

[Fox 6]

its not before the wedding, thats the problem... ive stopped playing anyways. ill only play for multi player.