What does it means when you put your car in any gear and it just rolls a inch an

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My car been sitting down and for a while so my fuel pump when out I replace it crunck it up and moved it maybe fifty yards then I let it sat and ran bout a hour in a half got in it and tryed to move it it just rolled a inch and stop even in reverse same thing my check in engine light on and a tool symbol is up there to even in any gear I press the gas the rpm only goes up to bout 3000 to 3500 but at when I moved it I had no problems this not the first time this happen one day it stop like that on the people I bout it from then all of a sudden it started back shifting I pulled the code and it said transmission not shifting properly I forgot the code number