mpi运行时出错This name does not have a type,

运行时出现类似错误，求大神指教
This name does not have a type, and must have an explicit type. [MPI_REAL]
This name does not have a type, and must have an explicit type. [MPI_SUM]
This name does not have a type, and must have an explicit type. [MPI_COMM_WORLD]

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