moodle upgrade

[ghost]

No description provided.

[ghost]

vm chat plugin doesn't seem to work after upgrading to moodle 3.6. Is there any reasons? any idea ?

[ghost]

here is console output:
My NOTICE [1024] Invalid get_string() identifier: 'logosdismoodle' or component 'moodle'. Perhaps you are missing $string['logosdismoodle'] = ''; in lang/en/moodle.php?

line 349 of /lib/classes/string_manager_standard.php: call to debugging()
line 7231 of /lib/moodlelib.php: call to core_string_manager_standard->get_string()
line 1125 of /lib/outputrenderers.php: call to get_string()
line 219 of /lib/mustache/src/Mustache/Context.php: call to core_renderer->home_link()
line 138 of /lib/mustache/src/Mustache/Context.php: call to Mustache_Context->findVariableInStack()
line 48 of /home/formatio/moodledataprod/localcache/mustache/1560931453/fordson/__Mustache_942c5134845afdaf1f04593f1b3b328b.php: call to Mustache_Context->findDot()
line 158 of /home/formatio/moodledataprod/localcache/mustache/1560931453/fordson/__Mustache_91571fa258381ac122b0d2fc345a69d5.php: call to __Mustache_942c5134845afdaf1f04593f1b3b328b->renderInternal()
line 67 of /lib/mustache/src/Mustache/Template.php: call to __Mustache_91571fa258381ac122b0d2fc345a69d5->renderInternal()
line 191 of /lib/outputrenderers.php: call to Mustache_Template->render()
line 80 of /theme/fordson/layout/frontpage.php: call to renderer_base->render_from_template()
line 1329 of /lib/outputrenderers.php: call to include()
line 1259 of /lib/outputrenderers.php: call to core_renderer->render_page_layout()
line 112 of /index.php: call to core_renderer->header()