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2.1.2 upgrade issue

2.1.2 upgrade issue

I am receiving the following error when updating to the most recently security update to 2.1.2


This is occurring on the final step of the upgrade processing, when clicking the update button. This appears to call a remote function (site specific paths removed)


{my store url}/setup/index.php/start-updater/update


Notice: Undefined index: headerTitle in {path_removed)/setup/src/Magento/Setup/Model/UpdaterTaskCreator.php on line 103


Does anyone have a workaround for this? Should I turn off notices in PHP via htaccess and, if I do, will other parts of Magento break?