How to resolve a database error
Resolve a data base error by checking your configuration.php files of your Joomla application and making sure that the following are correctly put.
var $dbtype = 'mysql';
var $host = 'localhost';
var $user = 'user_jo151';
var $password = 'YourPassword';
var $db = 'user_jo151';
var $ dbprefix = 'jos_';
You should make sure you are using the correct MySQL and user name and data base in your configuration.php file in order to check the correct mysql user name and database of your Joomla you can use MySQL database in your CPanel you should make sure that your MySQL user name is added to the data base.
- 404 Error page not found
This error may be caused by the database itself in order to resolve this by restoring your database if the web site looks fine and the website continues to give you a 404 page not found error ( this error is caused by SEO functionality of Joomla) in order to resolve this open the configuration.php program and edit the var $ live _site=“; to match the actual URL of your website go to the administrative end of your Joomla and make sure that both the search engines friendly URLs and Apache mode re-write are set to yes
- Error:”XMLS file missing in package”
This effetely occurs when entering a new template if this happens you should check if it’s for the 1.0 Joomla or the 1.5 Joomla if it was initially created for the 1.0 Joomla you can try enabling the Joomla legacy plug-in the other reason could be the archive you are trying to install contains the actual installation package (having an achieve within the archive) the solution is just as simple you should exact the archive and install the actual the real installation package.
- 404-component not found error
You should check whether you default menu item is published the front page of a Joomla needs a default item to do this go to the admin area then to the menu select the item you want to be loaded when you are at your main page and click at the default button on your top right
- MySQL server has gone away error
This commonly occurs when you try to install a big extension and you have the FTP layer of your Joomla application enabled to resolve this you can decide to go for the workaround and through your administrative area go to the global configuration then to settings then to the FTP settings while the change the value of enable ftp from YES to NO now you can try and re-install the extension again.