"Warning - Fortran source files exist" when running the Absorption_column_2d

[cgw]

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Warning: Fortran source files exist for this project？？？

[0] [1] Experts. I want to use mfix to simulate fluidized bed combustion. I found that the software cannot run while studying its built-in examples. Is there someone who understands how to explain and solve it? Thank you very much.

Perhaps we need to re-word this message to make it clearer.