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Migration from 12.x to Obsidian fails: Element ‘wordpress-instance’. This element is not expected

Migration from 12.x to Plesk Obsidian fails:

PLESK_ERROR: Line 1134 error: Element ‘wordpress-instance’: This element is not expected.

Warning: Migration could finish successfully, however FTP users, Web users and database users are not migrated.

Product issue:

#PMT-4712 “Migration of WordPress applications from Plesk 12.5 to Plesk Obsidian no longer fails with the “Element ‘wordpress-instance’: This element is not expected.” error.”

Fixed in:
- Plesk Migrator 2.20.0 14 October 2020

Please consider updating your server:

If update is not possible for some reason you may try the following

Login to the target server via SSH;
Backup the configuration file:

# cp /usr/local/psa/admin/plib/modules/panel-migrator/backend/lib/python/parallels/plesk/source/plesk/extras/pmm_12_5/PleskX.pm{,.backup}

Using text editor comment out (add # sign) line 5221:

# $self->{packer}->setSappWordPressInstance($sapp_id, $sapp, $wpInstance, @wpInstanceProperties);

and in lines 2949 and 5102.

# $self->{packer}->setNonApsWordpressInstance($domainId, $instance, @wpInstanceProperties, 'false');

Go to Tools & Settings > Migration & Transfer Manager. Finish and then start a new migration session.

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