I have a series of reports & datasets in my Workspaces tab with daily Scheduled Refreshes running. They were active for 6 months without issues. However, for the last 48 hours, they are not working.
This is the error encountered every time:
"There was an error when processing the data in the dataset."
Individual errors from these datasets include: "Value was not specified. Table: xxxx1."
"Invalid placeholder in the format string. Table: xxxx2"
I have to refresh it manually every time. How do I make this happen?