Multiple problems after updating to 7.54
Try to apply the patches that commerce kickstart uses .. https://www.drupal.org/project/commerce_kickstart/releases/7.x-2.45

where 


http://drupal.org/files/drupal-865536-204.patch 


is form related

the others may not be needed:


http://drupal.org/files/1275902-15-entity_uri_callback-D7.patch
http://drupal.org/files/drupal-1470656-14.patch
http://drupal.org/files/issues/drupal-7.x-allow_profile_change_sys_req-1772316-28.patch
http://drupal.org/files/issues/install-redirect-on-empty-database-728702-36.patch