I’m trying to import one of my standalone forums to the plugin. I use bbpress 1.1 and latest bbpress plugin. I ran the importer and got this error:

Fatal error: Cannot redeclare class BPDB in /home/forum/bb-includes/backpress/class.bpdb.php on line 39

I found this thread:

http://bbpress.org/forums/topic/where-is-the-importer

Following scribu’s lead, I added this to my bb-config:

define('BB_DATABASE_CLASS', 'BPDB');

define('BB_DATABASE_CLASS_INCLUDE', false);

I got the same errors that he did:

Warning: Missing argument 2 for BPDB::__construct(), called in .../forum-svn/bb-settings.php on line 197 and defined in .../plugins/bbpress/bbp-admin/importers/bbpress.php on line 29

Warning: Missing argument 3 for BPDB::__construct(), called in …/forum-svn/bb-settings.php on line 197 and defined in …/plugins/bbpress/bbp-admin/importers/bbpress.php on line 29

Warning: Missing argument 4 for BPDB::__construct(), called in …/forum-svn/bb-settings.php on line 197 and defined in …/plugins/bbpress/bbp-admin/importers/bbpress.php on line 29

Fatal error: Cannot redeclare bb_cache_users() (previously declared in …/plugins/bbpress/bbp-admin/importers/bbpress.php:103) in …/forum-svn/bb-includes/functions.bb-users.php on line 39

When I went back to the importer I see “It looks like you attempted to convert your bbPress standalone previously and got interrupted.” I chose “Continue Previous Import” and still get the error. I went back to bb-config and removed the items that I had added. Now I get this error:

Fatal error: Cannot redeclare class BPDB in /forums/bb-includes/backpress/class.bpdb.php on line 39

I believe I tried deep integration at one point and abandoned it. I was running the bbPress Integration plugin, not sure if that has anything to do with it:

http://wordpress.org/extend/plugins/bbpress-integration/

Any ideas? I’d be happy to let a developer (JJJ) take a look at things if they’d like to troubleshoot it.

[@vilimaunula Participant 13 years ago]

Have you found a solution to this? There seem to be a number of people with the same issue, and no solution that I can find.

I have the issue, running a bbPress 1.x installation integrated with WordPress. I’d like to switch to the 2.x version, but the importer gives a fatal error.

[@vilimaunula Participant 13 years ago]

To answer myself and help anyone else looking for a solution, it seems that the bbConverter plugin is able to do the job: https://wordpress.org/extend/plugins/bbconverter/

I still have some issues with the conversion, like the first post of every topic showing html code, but at least I’ve made progress.