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5
  • February 2014
    Post: 1

    Hi, I meet all the requirements to upgrade my ore refinery, but the upgrade button is blacked out when trying to upgrade to level 3
  • February 2014
    Post: 2

    Ok I've figured out the issue with the ore refinery upgrade.  You must have a high enough level office on the new island even though it's not listed as one of the requirements.
  • February 2014
    Post: 3

    Thanks for sharing your solution, no doubt i would've run into the same issue :P
  • February 2014
    Post: 4

    Rather than make another topic, got a very similar issue,  cannot upgrade lumber area from lv4 (current) to lv5, it requires 4 steam and 12 linen, I have those both and the upgrade button is greyed out.

    Not sure if its a build limitation. I would love to test Panda's solve for higher office lv, but it requires a lot of glass for me to do it, which means Ill have to grind like 25 missions...
  • February 2014
    Post: 5

    You need a level 5 office to upgrade to level 5.