Dear Daniel, when I use the mailchimp interface, I often use patch to update the mail template, indicating that the following error has occurred. Please take a look at what the reason is. Please do not hesitate to take a look at the reason.
the following error occurred while using the mailchimp-api interface to update the mail template. The interface used is patch
The code in the program is as follows: public function actionUpdate () {
$tid = 48217;
$arg = [
name =>...
