By actiavting mPDF plugin in one site, I get an Empty settings page for the site where I have activate the plugin.
If I do activate in network level, it works, but maybe some default settings, at least, for Page Size, Left margin and Right margin helps for doomies.
System Information
Book Info
Book ID: 8
Book URL: http://pressbooks.lvps84-39-103-248.mammuts-servidor.es/metadata/
Book Privacy: Public
Browser
Platform: OS X
Browser Name: Firefox
Browser Version: 54.0
User Agent String: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.12; rv:54.0) Gecko/20100101 Firefox/54.0
WordPress Configuration
Network URL: http://pressbooks.lvps84-39-103-248.mammuts-servidor.es/
Network Type: Subdirectory
Version: 4.8
Language: en_US
WP_ENV: Not set
WP_DEBUG: Enabled
Memory Limit: 64M
Pressbooks Configuration
Version: 4.0.1
Book Theme: Luther
Book Theme Version: 1.9.2
Root Theme: Pressbooks Publisher
Root Theme Version: 3.1.1
Pressbooks Dependencies
Epubcheck: Not Installed
Kindlegen: Installed
xmllint: Installed
PrinceXML: Not Installed
Saxon-HE: Installed
Must-Use Plugins
hm-autoloader.php: n/a
Network Active Plugins
Pressbooks: 4.0.1
Wordfence Security: 6.3.12
Book Active Plugins
Pressbooks mPDF: 1.7.0
Inactive Plugins
Akismet Anti-Spam: 3.3.3
Hello Dolly: 1.6
Pressbooks Textbook: 3.0.2.3
Server Configuration
PHP Version: 7.0.21
MySQL Version: 5.5.53
Webserver Info: Apache
PHP Configuration
Safe Mode: Disabled
Memory Limit: 256M
Upload Max Size: 2M
Post Max Size: 8M
Upload Max Filesize: 2M
Time Limit: 30
Max Input Vars: 1000
URL-aware fopen: On (1)
Display Errors: On (1)
PHP Extensions
cURL: Supported
cURL Version: 7.35.0
imagick: Installed
xsl: Installed
