Message when save form

Hello…
When i press save button, in a form, this message is show:

“There are still remaining uploads, if you save the record before the upload you will discard it. Do you want to continue?”

​What does this message mean? What is its cause?

Thanks!

Hello,

I have the same problem in my form. Is there a solution?

Hello…
I’m solve change the mode of connection to SQL Server to MS SQL Server NATIVE…