Error: Call to a member function getString() on null in alerts_views_pre_render() (line 24 of modules/contrib/alerts/alerts.module).

The configuration for that vocabulary is provided by the module, and should have been imported when the module was installed. Did you encounter any errors during install?

Actually, looking at the module's code I believe I see the problem. For the import of the configuration to work as expected the taxonomy module needs to be installed, but it isn't listed as a requirement in alerts.info.yml. I will update to fix that, but that won't help a site where this module is already installed.

If you're still having this problem I would suggest manually importing the taxonomy.vocabulary.alert_severity.yml configuration file.

Automatically closed - issue fixed for 2 weeks with no activity.

Hello @mandclu

It's a very nice module thanks for it. But this issue is not related to import.

install YML are working perfectly and creating Taxonomy and field once we are installing it. It's a issue in fetch. The field_color is not considering the default untill you hit a save on individual Taxonomy.

error is in alerts.module

a possible easy fix is.

$colors = [];
foreach ($terms as $tid => $term) {
if($term) {
if( $term->get('field_color')->getValue()){
$color = $term->field_color->first()->getString();
$colors[$tid] = '.alert-severity-' . $tid . ' { background: ' . $color . '; }';
}
}
}

created a MR