org.hyperledger.fabric.sdk.exception.ProposalException: getConfigBlock for channel firstchannel failed with peer peer3-test-org.  Status FAILURE, details: access denied for [GetConfigBlock][firstchannel]: Failed evaluating policy on signed data during check policy on channel [firstchannel] with policy [/Channel/Application/Readers]: [Failed to reach implicit threshold of 1 sub-policies, required 1 remaining]
    at org.hyperledger.fabric.sdk.Channel.getConfigBlock(Channel.java:845) [fabric-sdk-java-1.2.1.jar:na]
    at org.hyperledger.fabric.sdk.Channel.parseConfigBlock(Channel.java:1756) [fabric-sdk-java-1.2.1.jar:na]
    at org.hyperledger.fabric.sdk.Channel.loadCACertificates(Channel.java:1593) [fabric-sdk-java-1.2.1.jar:na]
    at org.hyperledger.fabric.sdk.Channel.lambda$null$12(Channel.java:4692) [fabric-sdk-java-1.2.1.jar:na]
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) ~[na:1.8.0_181]
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) ~[na:1.8.0_181]
    at java.lang.Thread.run(Thread.java:748) ~[na:1.8.0_181]

2018-10-20 14:42:39.921  WARN 29929 --- [pool-5-thread-1] org.hyperledger.fabric.sdk.Channel       : Channel firstchannel failed to load certificates for an update

org.hyperledger.fabric.sdk.exception.TransactionException: org.hyperledger.fabric.sdk.exception.ProposalException: getConfigBlock for channel firstchannel failed with peer peer3-test-org.  Status FAILURE, details: access denied for [GetConfigBlock][firstchannel]: Failed evaluating policy on signed data during check policy on channel [firstchannel] with policy [/Channel/Application/Readers]: [Failed to reach implicit threshold of 1 sub-policies, required 1 remaining]
    at org.hyperledger.fabric.sdk.Channel.parseConfigBlock(Channel.java:1773) ~[fabric-sdk-java-1.2.1.jar:na]
    at org.hyperledger.fabric.sdk.Channel.loadCACertificates(Channel.java:1593) ~[fabric-sdk-java-1.2.1.jar:na]
    at org.hyperledger.fabric.sdk.Channel.lambda$null$12(Channel.java:4692) ~[fabric-sdk-java-1.2.1.jar:na]
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) ~[na:1.8.0_181]
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) ~[na:1.8.0_181]
    at java.lang.Thread.run(Thread.java:748) ~[na:1.8.0_181]
Caused by: org.hyperledger.fabric.sdk.exception.ProposalException: getConfigBlock for channel firstchannel failed with peer peer3-test-org.  Status FAILURE, details: access denied for [GetConfigBlock][firstchannel]: Failed evaluating policy on signed data during check policy on channel [firstchannel] with policy [/Channel/Application/Readers]: [Failed to reach implicit threshold of 1 sub-policies, required 1 remaining]
    at org.hyperledger.fabric.sdk.Channel.getConfigBlock(Channel.java:845) ~[fabric-sdk-java-1.2.1.jar:na]
    at org.hyperledger.fabric.sdk.Channel.parseConfigBlock(Channel.java:1756) ~[fabric-sdk-java-1.2.1.jar:na]
    ... 5 common frames omitted