How to install a previous version without losing all content?

[swguy]

I am needing to install an older version of ZenCart (v1.5.0) because of the compatibility issues I'm having with ZenCart 1.5.5 and Responsive Sheffield Blue v2.0.

This is really not a great plan. I'd rather see you use the new template and work in the background on fixing whatever compatibility issues you are finding. Have you reported these issues on the Responsive Sheffield Blue v2.0 thread?

[mc12345678]

This is really not a great plan. I'd rather see you use the new template and work in the background on fixing whatever compatibility issues you are finding. Have you reported these issues on the Responsive Sheffield Blue v2.0 thread?

Yes they were reported yesterday by the OP with a response related to going to the post that rbarbour had started to address the incorporation of Anne's template(s) to ZC 1.5.5 and that thread was reviewed, but not found to be sufficiently detailed for a novice to incorporate the changes. A follow on discussion was initiated to try to address that lack of understanding but in parallel this thread was initiated to quickly return to "full" operational status.

[DrByte]

Going backwards is NOT advisable, particularly since password formats were changed between versions and so any new customers added, and anyone who changed passwords, won't be able to log in.

A faster fix would be to either apply the updates mentioned in the DIY thread, or switch to the built-in Responsive Classic temporarily.

And, all this could have been avoided if the upgrade had been staged in a separate copy of the site first, as advised in all the readme docs, upgrade instructions, etc. (I'm not making this comment to point fingers or such. Just drawing attention to the fact so it can be noted for future, or for others who read this discussion.)