Help resolve the error message.

Hello everyone, any time of the day! 
How to resolve this error message.

Please help me solve this error message. It appears when I try to upload a photo in my content type. There is no such message in the standard Article.
Thank you in advance for any response!
Drupal 7

Error Message
Notice: Undefined index: display_field in function file_field_widget_value() (line 579 in file W:\home\test\www\modules\file\file.field.inc).

This occurs intermittently
Error Message
Notice: Undefined index: hosteaser in function field_ui_display_overview_form() (line 1114 in file W:\home\test\www\modules\field_ui\field_ui.admin.inc).
And please let me know if you know what these errors are
• Notice: Undefined index: hosteaser in field_extra_fields_get_display() (line 693 in W:\home\test\www\modules\field\field.module).
• Notice: Undefined index: hosteaser in field_extra_fields_get_display() (line 693 in W:\home\test\www\modules\field\field.module).