Hi All,

please help me to solve an error that i encountered when i wanted to follow  this instruction to build up a network : 

i encountered this error and i can't solve it:

2022-11-03 03:28:16.578 EDT 0005 FATA [common.tools.configtxgen] main -> Error on outputBlock: could not create bootstrapper: could not create channel group: could not create orderer group: cannot marshal metadata for orderer type etcdraft: cannot load client cert for consenter orderer.example.com:7050: open /home/jalal/1401/hy/fabric-samples/test-network/organizations/ordererOrganizations/example.com/orderers/orderer.example.com/tls/server.cert: no such file or directory
+ res=1
Failed to generate channel configuration transaction...