[Forum] Options > Settings - Nothing there after upgrading from 3.5.6

[odie3]

I just updated from 3.6.5, which I did in two steps (on a test site). Updated to 3.8.x, which all seemed ok. Then updated to 4.1.5 Patch Level 1. I uninstalled all MODs that I had on 3.6.5 and reverted back to all defaults on the default Style, as the ACP told me to do. I tried all the "blank page" suggestions and nothing has brought back Options|Settings for me, I've been at this for hours but I am sure it is something simple.
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[odie3]

I did the below after creating a new default style. At first I had used the config.php to disable MODs so perhaps when I ran the update again after I had "deleted" all my MODs that could have done it too. Regardless running update again sorted out my problem.

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Completely uninstalling and removing all the modifications and their associated files plus deleting and creating a new Default Style (their default had been modified) helped me to remedy the problem, there were no options viewable in adminCP > Settings > Options but after the modification removals and styles I simply ran the upgrade script once more it read the new style etc and 5 clicks later a working forum completely upgraded.
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[Zachery]

Try reuploading the install folder and its files, and re-run install/upgrade.php

It looks like the phrases/admin settings didn't get imported right.