[ndnSIM] VisualSimulatorImpl not found

[Ahmed Ben]

Dear Sir/Madam,
    I try to visualize my program I get this error below :


assert failed. cond="uid != 0", msg="Assert in TypeId::LookupByName:
ns3::VisualSimulatorImpl not found", file=../src/core/model/type-id.cc,
line=755
terminate called without an active exception

assert failed. cond="uid != 0", msg="Assert in TypeId::LookupByName:
ns3::VisualSimulatorImpl not found", file=../src/core/model/type-id.cc,
line=755
terminate called without an active exception

Can you please help me to solve this problem

Thanks
Ahmed
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