Freedom Data Import support

1. What is error message Invalid argument: timeZone Should be of type: String?
   Check the setting under "File" > "Spreadsheet settings" > "Time zone". Try changing to something else and changing it back, and let me know if that fixes thing. Note: Google does not list the same timezone options for each of their applications, so you may have to choose a different city than yours that has the same timezone
   
2. How to set up markers?
   Setting up markers on your existing Google sheet report is new to you. I am happy to help when you provide your specific situation. Please let me know in comment and I will help.