OMP modify_reprot not showing results

Building from Source and Advanced Topics Greenbone Management Protocol (GMP)
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Please note that the OMP protocol itself, the OMP API documentation as well as the omp command line client are deprecated.

The replacements are (See e.g. Omp library - Greenbone Management Protocol (GMP) - Greenbone Community Forum as well):

https://docs.greenbone.net/API/GMP/gmp-7.0.html#command_modify_report