Error: 2 UNKNOWN: access denied: channel [contentbackchainchannel] creator org

Question

I\'ve fabric network setup with two orgs; orchestratororg and participantorg.

With user of orchestratororg I can invoke or query chaincode but when trying to query with

Answer 1

Check if the participantorg's peers joined to the channel or not.
The peer who is interacting with channel must joined the channel.
Channel also have one channel MSP in which it keep the information of joined peers.
So when you're trying to interact with channel with the peer which is yet not joined the channel will get the error message.