Append troubleshoot about explorer failes to start (#91)

* append troublesshot about not assigned to this
  channel

Signed-off-by: 5pecia1 <pdpxpd@gmail.com>

TROUBLESHOOT.md

@@ -1079,11 +1079,27 @@ to
 
 ``` host all all 127.0.0.1/32 md5 ```
 
-
-
 #### Related Information:
  Full error info at https://pastebin.com/fyNSp66K
 
+#### Problem Description: Hypeledger Explorer fails to start, not assigned to this channel
+
+##### Background Information:
+
+```bash
+error: [Channel.js]: Error: Peer with name "peer0.example.com" not assigned to this channel
+error: [Remote.js]: Error: Failed to connect before the deadline URL:grpcs://peer0.example.com:7051
+```
+
+##### Possible cause:
+
+    Invalid peer name in "channels.<channel name>.peers.<peer name>" or "peers.<peer name>" defined in connection.json file.
+
+##### Possible solution:
+    Fix and match to the valid peer name in this channels or peers in connection.json
+
+##### Related Information:
+
 ### Docker Troubleshooting commands
 
 List your networks ``` $docker network ls ```