phpMyAdmin throws the following warning message when it's opened:
The phpMyAdmin configuration storage is not completely configured, some extended features have been deactivated. To find out why click here.
Cclick on the image below to get an example
This behavior submitted to the PA Maintenance Team as internal issue with id #PPA-3071; the fix is considered to be included in one of the next PA updates. The extended features must be set on management node, but not on service nodes.
As possible temporary workaround you can perfrom on of the following actions:
Turn off the warning message. This can be done by setting the following option in
/usr/local/psa/admin/htdocs/domains/databases/phpMyAdmin/libraries/config.default.phpfile on PA Management Node
$cfg['PmaNoRelation_DisableWarning'] = true;