It seems the messenger method is not defined or the required namespace has not been included.

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binnythomas created an issue. See original summary.

binnythomas’s picture

Adding a patch that uses Drupal's messenger method.

binnythomas’s picture

Ignore the other patch. I have rectified the code by adding the namespace.

binnythomas’s picture

Status: Active » Needs review
prethiee’s picture

Status: Needs review » Fixed

Fixed in the current version - slack 8.x-1.2 by using the drupal_set_message() inside the Slack.php service file instead of using the messenger service.

Status: Fixed » Closed (fixed)

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