When i put google analytic tracking code in <head></head> and hit save button they show this massage ( Something went wrong. Your change may not have been saved. Please try again. There is also a chance that you may need to manually fix and upload the file over FTP.) and another problem is i use elementor page builder but when i update existing blog post and hit update button they show( server error 404 ) but when i create new post then all is ok.