we areusing majento1.9.1.
csv requires multiple attributes to be updated in seperate rows for example
IS IT POSSIBLE TO UPLOAD THE SAME IN ONE ROW
4145 RED, BLUE, GREEN
The csv format depends on development of code. If you want to change you csv format then you need to change code accordingly.
You should customize in the source code for reading that CSV because your CSV file is custom file and it does not support by default. If you have any issue during customization, please feel free contact me, I will help you to do.
You have changed CSV structure, so you can not upload as well. To do, you should change in code to support new CSV structure. Please try
If you have any issue, please contact me, i will help you to do