Error Establishing a Database Connection for doai.ct.ws

[NgocDoai]

Website URL

(please specify the URL of the site on which you are experiencing the problem)

http://doai.ct.ws

Error Message

(please share the FULL error message you see, if applicable)

“Error establishing a database connection”

Other Information

(other information and details relevant to your question)

• Background: My original free subdomain doai.ct.ws was working fine. Recently, it started showing the “Error establishing a database connection”.

Thank you for your help.

[KangJL]

Please read

Common MySQL Connection Errors

Many websites use MySQL databases to store information and settings. However, there are some reasons why the connection to the database may fail. This article describes some commonly seen error messages when connecting to a database, as well as some general tips to keep in mind when setting up a database connection. Common Error Messages Using MySQL is great, but the error message returned if there is an issue logging in to your database can be quite confusing. Here are some commonly seen error…

[NgocDoai]

I use debug log and it shows this

[KangJL]

Read again

@Common MySQL Connection Errors

Make sure you are using the right database name and username

Your database name and database username can be found in the MySQL Databases in the Control Panel of your hosting account. The database username typically looks like epiz_12345678 and the database name looks like epiz_12345678_mydb.

[NgocDoai]

Thanks for the previous general advice. I’ve done further checks and have more specific information about the database connection issue I’m facing with my account if0_37984521 (for domains doai.ct.ws and doai.id.vn).

Current Situation & Error:

When trying to access my site, after enabling WP_DEBUG_DISPLAY, I now see the following specific errors: