My wifes car did the same thing when she parked on a hill. I had to "shift" the weight of the car back and forth, then the shifter worked normally.
00 Expedition on 22" daily driver
99 S80 T6 stock (for now) wifes car
00 Grand Am SE (backup vehicle)
02 CBR 600 F4i Modded
1gb DSM Heavily Modified
97 Dodge Ram 1500 (in middle of engine swap)