Tableau Tips & Tricks: Data Engine Error: 40460You can encounter the error similar to the following one, while the data are imported from exel:
An error occured while communicating with the data source
Tableau Data Engine Error: 40460: SimpleDatabase::SelectMetadataName: expected found=1, actual found=0 (fk=7 name="F1" nameTable="COLUMNS")
The reason can be related to the antivirus software. Especially if it is FortiClient.
Please try to disable the antivirus temporarily. Close & open Tableau Desktop once again.
It should work now :)