To display this page, Firefox must send information that will repeat any action (such as a search or order confirmation) that was performed earlier
Ima getting this firefox alert when Ima trying to leave from a page after a file upload.

"To display this page, Firefox must send information that will repeat any action (such as a search or order confirmation) that was performed earlier."

PLease help me
To display this page, Firefox must send information that will repeat any action (such as a search or order confirmation) that was performed earlier
===

Ima getting this firefox alert when Ima trying to leave from a page after a file upload.

"To display this page, Firefox must send information that will repeat any action (such as a search or order confirmation) that was performed earlier."

PLease help me