Datetime format error of excel file while uploading file to Navision

Hi All ,
I need to load excel file into Navision which is located at remote server.
So, I took output from excel through bot in same format dd/MM/yyyy as required by Navision. but when i upload file into Navision i get attached error.

Please help. I found no special character are there in excel as defined by Navision.

VaneetNavision error