twhiting9275 Posted Tuesday at 01:45 AM Share Posted Tuesday at 01:45 AM Already opened up a bug (ticket DVZ-331740), just creating this here as well I have a couple of really, really old WHMCS versions (some at 7.1.x), deliberately, to do testing and whatnot for clients. Since they're dev installs and locked down to me only, I'm not terribly worried about threats there. Tried to upgrade one of the 7.1.x versions to 9 and couldn't do so. 'Cannot read configuration file' the system said Rolled back backup, upgraded to 8.13, then to 9, worked like a charm Just a heads up for those that may be in the same position. Looks like some earlier versions aren't available for a direct upgrade 0 Quote Link to comment Share on other sites More sharing options...
Administrators WHMCS John Posted 13 hours ago Administrators Share Posted 13 hours ago Hi @twhiting9275, Thanks for the report. I've been able to replicate the issue when updating from 7.x or earlier to 9.0, and have opened WHMCS-24841 to investigate further. It appears that a clean upgrade will resolve the issue: 1. Delete all old files (except /templates and configuration.php) 2. Extract the fresh 9.0 files into place 3. Visit /install/install.php 4. The upgrade process can be completed successfully 0 Quote Link to comment Share on other sites More sharing options...
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