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1) Bring up mission cargo
2) Exit Terminal
3) Enter Terminal 1-2 times
4) Exit Terminal and cargo is gone.

What happened
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The cargo dissapears when you have brought it up and reopen the cargo terminal. Both cargo on the grid and outside of the grid in the elevator.

What should have happened
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The cargo should be recognized by the elevator and not be despawned.

Workaround
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Not go back to the terminal once you have brought it up and removed it from the elevator.

https://issue-council.robertsspaceindustries.com/projects/STAR-CITIZEN/issues/STARC-171022