File system Not writable

Error: File system Not writable

• Go to sites>default>files
• Open setting.php
• Locate this $settings['file_temp_path']
• Enable it
• Change like below

$settings['file_temp_path'] = 'sites/default/files/tmp';

Note: Make sure you have a folder or create it if do not have. The folder is sites/default/files/tmp