You've got a hybrid install.

$TPL was removed from the 2.04 version as an object, since it wasn't really needed.

I don't know why your install is failing on adding new table fields. Are you using MySQL? What version?

I would do this.

Install 2.04 in a _CLEAN_ directory in your cgi-bin area. use your old database and other defaults, the only thing that would change is the <%db_cgi_url%>

If that runs, then your database has been updated ok. You can then copy everything in the Links, GT subdirectories to your old install. This will update any modules that were missed.

Make sure you have updated scripts in the admin area and the user scripts area. Those scripts require a 'lib' path, so if you copy them as well, you'd have to change the top of each of those files.

Without knowing your exact situation, I can't help any more.

I did that once to prevent taking a site down, then just aliased /old/path to /new/path and restarted the server without any apparant problems. Your situation will vary depending on how your server (hardware, software, os, etc) is set up, so only a 'guide' can be given.

Good luck!

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