Problem with the upload of a file in a sail form

Question

Hello, we have a problem with the upload of a file in a sail form. If i try to upload a file this error message appear "An Error Has Occurred Could not upload &ldquo;provaRiskManagement2&rdquo;. Reason: The destination folder specified is invalid. " I have not specified any folder. You can find attached the sail code 
 RM_uploadExcelFile.txt 
 OriginalPostID-213254 
 OriginalPostID-213254

sonalk · Accepted Answer

Hi Marco,
As mentioned in the documentation we need to specify the target parameter with constant of type folder and provide that constant value with the temporary folder created by you. We get the above error if we do not specify the target parameter of the a!fileUploadField() function.