JFolder::create: Could not create directory

Here is a best tutor i like to solve Tutorial: How to solve "JFolder::create: Could not create directory" 

Please make backup of the file first.
1. Open "your-website.com/libraries/joomla/filesystem" with your default FTP client.

2. Download filename "folder.php".

3. Open folder.php in your default text editor

4. Go to line 210

5. Look for:     " if (strpos($path, $test) === 0) { "  and change it to "if (strpos($path, $test) === 1) { "

6. Than look for (line 216):  " if ($inBaseDir == false) { "  and change to  " if ($inBaseDir == true) { "

7. Save your file (folder.php)

8. Upload it to the location "your-website.com/libraries/joomla/filesystem".

You can also try others solution and here are links for that
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