[15.15] Crash selecting train stop enable condition

[pbrook]

Steps to reproduce:

• Load the attached save (dash.zip).
  Open the nearby train stop
  Check the "Enable/Disable" box under "Mode of operation"
  Click the empty item box under "Enable Condition"
  Switch to the "Fluids" tab (game crashes at this point)

64-bit linux via steam. No mods installed.

[posila]

Thanks for the report.
It should be fixed in 0.15.16