Continue. Now it stops at message 1600. Same error.
Continue. Stops at 2000. Error.
Continue. Stops at 2400. Error.
I can go like this all night importing only 400 at a time after the initial 1200.
I thought this may have been causing it but changing it to 800 didn't do anything.
line2015 $options = array_merge(array(
line2017 'limit' => 400,