bug with missions (Grand Theft Auto 5)

decided to finally go through the campaign mode. Yes, Yes game for 3 years and I still have not been realized. and faced with the bug. all the side missions for all characters passed. remains on the map only story mission from Martin Madrazo. it is only for Trevor and Michael, but Franklin in the selection menu of the character issues that have one mission. passed the mission with Martin. now shows that 3 of the mission, although on the map only burning 2. who faced it prompt the pancreas.