Refix bug #2814: Add upgrade wiki link in error message
Refix bug #2814: Add upgrade wiki link in error message

zstackio/zstack-utility,zstackorg/zstack-utility,live4thee/zstack-utility,live4thee/zstack-utility,zstackorg/zstack-utility,live4thee/zstack-utility,zstackio/zstack-utility,zstackio/zstack-utility,mingjian2049/zstack-utility,mingjian2049/zstack-utility,zstackorg/zstack-utility,mingjian2049/zstack-utility