problem building paraview on centos 8.4

I am trying to build paraview and am seeing the following error.
I have no idea where the problem lies. It seems almost complete.

[15965/19602] Running cpp protocol buffer compiler on vtkPVMessage.proto
FAILED: Remoting/ServerManager/vtkPVMessage.pb.h Remoting/ServerManager/vtkPVMessage.pb.cc
cd /home/ma/ParaView-v5.9.1/build_gcc8.4.1/Remoting/ServerManager && /home/ma/ParaView-v5.9.1/build_gcc8.4.1/bin/vtkprotoc-pv5.9 --cpp_out dllexport_decl=VTKREMOTINGSERVERMANAGER_EXPORT:/home/ma/ParaView-v5.9.1/build_gcc8.4.1/Remoting/ServerManager -I /home/ma/ParaView-v5.9.1/Remoting/ServerManager /home/ma/ParaView-v5.9.1/Remoting/ServerManager/vtkPVMessage.proto
terminate called after throwing an instance of ‘std::system_error’
what(): Unknown error -1
[15998/19602] Building CXX object VTK/Accelerators/Vtkm/Filters/CMakeFiles/AcceleratorsVTKmFilters.dir/vtkmClip.cxx.o
ninja: build stopped: subcommand failed.

worked around this problem by installing protoc and not using the build from paraview.