Tracking email opening

Product Support
1

I’ve installed a new Mautic from scratch and I’m experiencing a problem I never face with. I can’t track email opening (clicks on links are tracked OK).

I’ve got the following errors, could someone have a look?



[2016-03-23 16:02:39] mautic.NOTICE: PHP Notice: unserialize(): Error at offset 152 of 833 bytes - in file /var/www/vhosts/MYDOMAIN/httpdocs/vendor/doctrine/dbal/lib/Doctrine/DBAL/Types/ArrayType.php - at line 58 [] []

[2016-03-23 16:02:39] mautic.CRITICAL: Uncaught PHP Exception DoctrineDBALTypesConversionException: “Could not convert database value “a:7:{s:18:”{unsubscr…” to Doctrine Type array" at /var/www/vhosts/MYDOMAIN/httpdocs/vendor/doctrine/dbal/lib/Doctrine/DBAL/Types/ConversionException.php line 46 {“exception”:"[object] (Doctrine\DBAL\Types\ConversionException(code: 0): Could not convert database value “a:7:{s:18:”{unsubscr…" to Doctrine Type array at /var/www/vhosts/MYDOMAIN/httpdocs/vendor/doctrine/dbal/lib/Doctrine/DBAL/Types/ConversionException.php:46)"} []

2

I’ve installed a new Mautic from scratch and I’m experiencing a problem I never face with. I can’t track email opening (clicks on links are tracked OK).
I’ve got the following errors, could someone have a look?

[2016-03-23 16:02:39] mautic.NOTICE: PHP Notice: unserialize(): Error at offset 152 of 833 bytes - in file /var/www/vhosts/MYDOMAIN/httpdocs/vendor/doctrine/dbal/lib/Doctrine/DBAL/Types/ArrayType.php - at line 58 [] []
[2016-03-23 16:02:39] mautic.CRITICAL: Uncaught PHP Exception DoctrineDBALTypesConversionException: “Could not convert database value “a:7:{s:18:”{unsubscr…” to Doctrine Type array" at /var/www/vhosts/MYDOMAIN/httpdocs/vendor/doctrine/dbal/lib/Doctrine/DBAL/Types/ConversionException.php line 46 {“exception”:"[object] (Doctrine\DBAL\Types\ConversionException(code: 0): Could not convert database value “a:7:{s:18:”{unsubscr…" to Doctrine Type array at /var/www/vhosts/MYDOMAIN/httpdocs/vendor/doctrine/dbal/lib/Doctrine/DBAL/Types/ConversionException.php:46)"} []