While using the command - "./createPeerAdminCard.sh" , the following message is shown.
Development only script for Hyperledger Fabric control Running 'createPeerAdminCard.sh' FABRIC_VERSION is unset, assuming hlfv12 FABRIC_START_TIMEOUT is unset, assuming 15 (seconds)
Cannot use Composer version @package_branch_alias_version@ (1.0.0-beta2) 2016-03-27 16:00:34 version of composer with fabric 1.2, v0.20 or higher is required