diff --git a/Troubleshooting.md b/Troubleshooting.md
index a208758..8dc690a 100644
--- a/Troubleshooting.md
+++ b/Troubleshooting.md
@@ -2,7 +2,15 @@ Can't Update - "Invalid Credentials"
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 Some people find that they can log-in and receive a verification code from Frontier. But on hitting the Update button they see an "Invalid Credentials" error.
 
-It's not clear why this happens to some users. This problem is tracked as [Issue #43](https://github.com/Marginal/EDMarketConnector/issues/43).
+It's not clear why this happens to some people, but it does seem to happen more often to people who purchased Horizons without Season 1.
+
+This problem is tracked as [Issue #43](https://github.com/Marginal/EDMarketConnector/issues/43).
+
+Can't see commodities market at some Outposts - "Error: Can't get market data!"
+--
+The Frontier server that supplies the data to this app fails to supply commodity data for some outposts - particularly industrial and mining outposts. This is a [known bug](https://forums.frontier.co.uk/showthread.php?t=195774) in Frontier's servers.
+
+This problem is tracked as [Issue #6](https://github.com/Marginal/EDMarketConnector/issues/6)
 
 EDMC doesn't track Systems visited
 --