Plugin doesn't sync active subscribers

[RomanovM]

worked good on previous versions.
In nop 4.2. synchronizes only 10 of 1270 active subscribers I have in my list.

Source: https://www.nopcommerce.com/boards/t/72823/mailchimp-plugin-doesnt-sync-active-subscribers-42.aspx

See also: https://www.nopcommerce.com/en/boards/topic/81595/mailchimp-subscribers-sync-not-working-on-42

[b1ade68]

Same problem. See my comment here #11 (comment)

[cklenk]

We are running this plugin on a multi site (3 stores) and get constant errors. Here is one example.

MailChimp info.
Synchronization started at: 5/11/2020 6:14:29 PM
completed at: 5/11/2020 6:14:35 PM
finished operations: 12
errored operations: 10
total operations: 12
batch ID: b5ee750f00
batch status: finished
Synchronization errors:
http://developer.mailchimp.com/documentation/mailchimp/guides/error-glossary/ - Method Not Allowed - Operation delete-subscription-12150-list-1d57abbe69 - This list member cannot be removed. Please contact support.
http://developer.mailchimp.com/documentation/mailchimp/guides/error-glossary/ - Method Not Allowed - Operation delete-subscription-12151-list-1d57abbe69 - This list member cannot be removed. Please contact support.
http://developer.mailchimp.com/documentation/mailchimp/guides/error-glossary/ - Method Not Allowed - Operation delete-subscription-12152-list-1d57abbe69 - This list member cannot be removed. Please contact support.
http://developer.mailchimp.com/documentation/mailchimp/guides/error-glossary/ - Method Not Allowed - Operation delete-subscription-12150-list-25342faada - This list member cannot be removed. Please contact support.

[cklenk]

This is another error too

Synchronization errors:
http://developer.mailchimp.com/documentation/mailchimp/guides/error-glossary/ - Invalid Resource - Operation createOrUpdate-subscription-12157-list-1d57abbe69 - timestamp_signup - This value is not a valid datetime.;
http://developer.mailchimp.com/documentation/mailchimp/guides/error-glossary/ - Invalid Resource - Operation createOrUpdate-subscription-12158-list-25342faada - timestamp_signup - This value is not a valid datetime.;

[DmitriyKulagin]

Fixed, details in commit Changes to update plugin for 4.30