If Pitchlane is raising errors when you try to upload a CSV, it may be because of formatting issues or the file being corrupted.
In order to fix this, you can upload the CSV to Google Sheets and download it again, and this should fix issues like this.
How to fix the CSV
Head to Google Sheets
Click on Blank spreadsheet
Go to File -> Import
Upload your CSV file
Go to File -> Download -> Comma Separated Values (.csv)
Use this CSV file with Pitchlane.
If this does not work, please reach out and our support will be happy to help.