Please help us by providing the following info. Before posting please also check the pinned "Known issues" threads and make sure that you're running the latest available version for your oC release: https://owncloud.org/changelog/
Steps to reproduce
1.When i try to load my owncloud page I get the following error screen.(attached image)
2.I have verified that I have php7.0-gd and php-gd installed.
3.I have loaded php.info from my webserver and didn't see any errors
Tell us what should happen
It should load the central page of owncloud. It was working for 4 or 5 days without error.
Tell us what happens instead
It loads an error page saying that GD is not installed.
Operating system: Unbuntu 1604 LTS
Web server: Apache2
ownCloud version (see ownCloud admin page): 9.0.3
Updated from an older ownCloud or fresh install: Fresh Install
Special configuration (external storage, external authentication, reverse proxy, server-side-encryption):No
ownCloud log (data/owncloud.log)
Please paste possible errors in the following code block, see https://central.owncloud.org/t/how-to-find-webserver-or-oc-logfile-enable-php-logfile/808 for more info
PHP Warning: PHP Startup: Unable to load dynamic library '/usr/lib/php/20151012/gd.so' - /usr/lib/php/20151012/gd.so: undefined symbol: gdImageCreateFromJpegCtx in Unknown on line 0
Integrity status for oC9+
Login as admin user into your ownCloud and access http://example.com/index.php/settings/integrity/failed paste the results here. That screen is the same as the main screen with the GD not installed message.