WordPress function php error

Were you fiddling around with the theme’s functions.php file? It would be good if you have an old backup of the file when nothing had been changed. If so, try replacing the current file with the older one. This can be coding errors sometimes.

Also try looking into your functions.php. Check and remove all spaces at the end of the code. Spaces at the end can be the cause of this error.

Switch to the Twenty Eleven theme by renaming your current theme’s folder in wp-content/themes and adding “-old” to the end of the folder name using FTP or whatever file management application your host provides.