Oceans and Empires:  Wrong trade info

When playing Oceans and Empires you can get wrong trade info

Sometimes I go around trading and when I try to buy or sell a commodity, I get a message that says: " Wrong Trade Info" and I can't sell the or buy.  I thought that maybe it was a bug, so I checked the Joycity forums but there was no info.

I tried a bunch of things like restarting the game, but I didn't work.  I had to load the game on my phone (I play mostly on the PC btw) and that worked.

After much more trading I realized that it isn't a bug.  In fact, it really means that the trade price you have on your screen is no longer valid because either:

A) Someone bought or sold while you were looking at prices and that made the prices change

or

B) The city either produced or consumed a good that changed the prices.

I found that to fix the wrong trade info problem, you need to exit the buy  or sell screen and return to it and this usually solves the issue as it updates the info on the page.  This may not work all the time since this game is still very alpha and sometimes it doesn't update the info.

This has been my solution for the Oceans and Empires wrong info trade issue.