Although I have followed all the steps listed in the upgrade tutorial, this is the message comes up in the beginning of the upgrading process. I have tried on my demo & production site, both have same error. how to fix this please?
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See Failed Upgrade 4.6.4 to 4.6.5 Joomla 2.5 & 3.4. Let us know whether the procedure described there solves the problem.
