XF 2.1 403 Forbidden Error When Upgrading to XF 2.1 or Installing Add-ons

Gossamer

Active member
Hello! So, I've been in the process of preparing to upgrade my XF 1.5 forum to XF 2.1. However, for the last several months, I often run into this 403 Forbidden error when running the XF 2.1 upgrade script or when I try to install various add-ons.

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Often if I go back, I can continue the installation/upgrade and it will finish it or throw that error again.

I've been going back and forth with my host about this, but so far all they've done is tell me that the script ran fine for them and to let them know if I am continuing to have issues.

Does anybody have any insight into what the issue might be? I'm just about ready to upgrade my live forum. This is the one thing that still makes me nervous.
 
My host has fixed this! Looks like it was an issue with Mod Evasive. It didn't like the rapid refreshing during the upgrade process. They tweaked the values and I haven't seen the error, so hopefully it's all set now.
 
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