I am also having a similar problem, I am running Zen 1.3.9d, every time I try to send out a newsletter I get this ......
1267 Illegal mix of collations (latin1_general_ci,IMPLICIT) and (latin1_swedish_ci,IMPLICIT) for operation 'locate'
in:
[SELECT s.email_address as customers_email_address FROM subscribers as s LEFT JOIN configuration as q on LOCATE( s.email_address, q.configuration_value) >= 1 WHERE configuration_key = 'NEWSONLY_SUBSCRIPTION_TEST_GROUP' ]
not to sure what to do about it, any help will be appreciated.... THANKS
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