Modify existing endorsement policy (Hyperledger Fabric)

Modify existing endorsement policy (Hyperledger Fabric)

I had 2 organization in Hyperledger Fabric blockchain network initially. Recently I added one more organization on a different host using swarm. When I try to invoke chaincode from 1st or 2nd organization then it's working fine and I can see the updated transaction from org3. But when I invoke a transaction from org3, I am getting the following error.

I had 2 organization in Hyperledger Fabric blockchain network initially. Recently I added one more organization on a different host using swarm. When I try to invoke chaincode from 1st or 2nd organization then it's working fine and I can see the updated transaction from org3. But when I invoke a transaction from org3, I am getting the following error.

"[2019-02-06 06:44:21.895] [ERROR] invoke - The transaction was invalid, code = ENDORSEMENT_POLICY_FAILURE"

Initially, chaincode was initiated using the following policy. -P "OR ('Org1MSP.peer','Org2MSP.peer')"

So I think I will have to update existing endorsement policy to include org3.

Could anyone help to modify existing endorsement policy or to resolve the issue?

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