Fatal error: Allowed memory size of 31457280 bytes exhausted (tried to allocate 13404 bytes)

 If you are getting following error: Fatal error: Allowed memory size of 31457280 bytes exhausted (tried to allocate 13404 bytes). Then you need to increase upload maximum limit in php.ini file.

ex: upload_max_filesize = 4M

Note:  Here you can upload the maximum size of of the file upto 4MB.(Increase Here). Click here to learn make the changes in php.ini file.