File upload error

Fatal error: Uncaught Error: Call to undefined function EllisLab\ExpressionEngine\Library\Mime\finfo_open() in /home/jakecovert/woodwardpetsitting.com/backend/ee/EllisLab/ExpressionEngine/Library/Mime/MimeType.php:117 Stack trace: #0
/home/jakecovert/woodwardpetsitting.com/backend/ee/legacy/libraries/Mime_type.php(116): EllisLab\ExpressionEngine\Library\Mime\MimeType->ofFile('/tmp/phplDHGuB') #1 /home/jakecovert/woodwardpetsitting.com/backend/ee/legacy/libraries/Upload.php(172): Mime_type->ofFile('/tmp/phplDHGuB') #2
/home/jakecovert/woodwardpetsitting.com/backend/ee/legacy/libraries/Filemanager.php(2042): EE_Upload->do_upload('file') #3
 /home/jakecovert/woodwardpetsitting.com/backend/ee/legacy/libraries/Filemanager.php(1083): Filemanager->_upload_file(Array, 'file') #4
 /home/jakecovert/woodwardpetsitting.com/backend/ee/EllisLab/ExpressionEngine/Controller/Files/Files.php(342): Filemanager->upload_file('3', 'file') #5 [internal function]:
 EllisLab\ExpressionEngine\Controller\Files\Files->upload('3') #6 /home/jakecovert/wo in /home/jakecovert/woodwardpetsitting.com/backend/ee/EllisLab/ExpressionEngine/Library/Mime/MimeType.php on line 117