get_browser() http_user_agent variable is not set, when trying to update drupal core using drush

by Tebogo   Last Updated July 26, 2017 14:07 PM

Good day

I am struggling to update my drupal core 7.50 to the latest release using command, drush pm-update drupal, it comes back with this warning, get_browser() http_user_agent variable is not set, cannot determine user agent name mobile_theme.module. Then stop just there

Thanking you in advance

Tags : updating


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Updated February 16, 2016 16:03 PM