Hi, thank you for your answers.
So I followed this link https://www.ads-software.com/support/article/login-trouble/ from @jnashhawkins, here’s what I did:
I cleared the cookies and the cache, it didn’t fix the problem.
I don’t have DOMAIN_CURRENT_SITE constant in the wp-config file so I couldn’t verify this value.
I again deactivate the plugins by renaming the plugins folder, and I renamed the themes folder too, that didn’t solve the problem.
I uploaded a new wp-login.php file, I did not have to replace the values ??indicated because they were already the correct values. It didn’t solve the problem.
I didn’t edit the users table since I don’t have access to the login form at all, so the problem isn’t there. The same goes for the “password problems” section.
I checked the siteurl value in the wp-options table, it is in https.
Subdomains and subfolders: I don’t have SUBDOMAIN_INSTALL constants in wp-config.php file.
I don’t have any headers already sent errors.
Check Your URL Option: I am not an expert in url redirection, but the files have not changed since I just transferred the files from a shared server to a vps. So the configuration is the same.
Check the firewall: I disabled the linux ufw firewall, it didn’t fix the problem.
So once again despite the errors in the console, the front-end works https://ouate-paris.com, it is when I want to access the wp-admin to connect to the backoffice that I have this error message:
a critical error has occurred on your site. Please check your site administration email inbox for more information.
Something strange too: Once we have access to the wp-admin page (even if there is the error message), if we go back to the front-end the administration bar appears at the top (but when we click on “access the dashboard” it redirects us to the wp-admin page and therefore the initial error). However, this bar does not appear all the time.
I opened the console of this page (wp-admin), I have this one error message:
https://www.ouate-paris.com/:1 GET https://www.ouate-paris.com/wp-admin/ 500 (Internal Server Error) https://www.ouate-paris.com/:1
Could the fact that I cannot access the backoffice login form with this error be due to the fact that the PHP version is 7.4? (on the shared server it was in 7.3). Thank you.
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This reply was modified 4 years, 2 months ago by viccvanco.