Last Updated on May 30, 2019 EDT by Jordan
This is pretty straightforward, you’ll see this error when updating or installing a plugin.
[enlighter linenumbers=”true”]The package could not be installed. PCLZIP_ERR_BAD_FORMAT[/enlighter]
Basically the file WordPress is trying to download is either corrupt or you don’t have the PHP curl module installed. So simply install it, for Ubuntu this is:
[enlighter linenumbers=”true”]apt-get install php-curl[/enlighter]
or
[enlighter linenumbers=”true”]apt-get install php7.3-curl[/enlighter]