"Save" button not active when saving articles in the frontend - Joomla! Forum - community, help and support


hello,

i have encountered issue when added new user editor-publisher-author-admin rights, can edit posts in front end.

but when logs in, modifies article , wants save changes, nothing happens when button "save" clicked on. instead, "cancel" button works.
everything works in backend (administrator's zone)

i sent message template vendor, , told me not template error, joomla's.

details:
joomla 3.7.2
template: theme2022 foreign language teaching joomla template (http://www.template monster.com)
database version 5.5.55-cll
database collation latin1_swedish_ci
database connection collation utf8mb4_general_ci
php version 7.0.9
web server apache
webserver php interface cgi-fcgi
joomla! version joomla! 3.7.2 stable [ amani ] 22-may-2017 09:46 gmt
joomla! platform version joomla platform 13.1.0 stable [ curiosity ] 24-apr-2013 00:00 gmt

i tried solutions found online, without success:
    clearing caches (joomla , browser)
    restoring file 'libraries/joomla/filter/input.php' version < 3.7.0


help me please.
thanks in advance

there may javascript error, cause extension. template include article edit override file? if yes, file may have error. rename file make system use core edit page, test.





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