Hi, I’d like to echo the concerns raised here. After upgrading my eCommerce site to WooCommerce 9.4.2, I began experiencing significant errors. Upon investigation, I found the following issues tied to Mailster for WooCommerce:
Notice: Function _load_textdomain_just_in_time was called incorrectly. Translation loading for the woocommerce domain was triggered too early. This is usually an indicator of some code in the plugin or theme running too early. Translations should be loaded at the init action or later. Please see Debugging in WordPress for more information. (This message was added in version 6.7.0.) in /wp-includes/functions.php on line 6114
Warning: Cannot modify header information - headers already sent by (output started at /wp-includes/functions.php:6114) in /wp-admin/includes/misc.php on line 1438
Warning: Cannot modify header information - headers already sent by (output started at /wp-includes/functions.php:6114) in /wp-includes/functions.php on line 7137
Warning: Cannot modify header information - headers already sent by (output started at /wp-includes/functions.php:6114) in /wp-admin/admin-header.php on line 9
I narrowed down the issue by deactivating all other plugins, leaving only Mailster for WooCommerce, and the errors persisted. I then finally deactivated Mailster for WooCommerce and the errors were removed.
This strongly suggests the plugin is not compatible with the latest WooCommerce update.
Mailster Developers, please could you address this as soon as possible? It is becoming increasingly difficult to rely on this plugin without timely updates. Three months are passed since this issue was raised and still no updates and still the issue is persisting.
