Tableau visual error - field does not exist in the table

Error: The field <fieldname> does not exist in the table

Reason: Once you refresh the tableau data source, there is a possibility (in rare chances) that you might see error in some of your visuals. There can be two reasons behind this error:

• The field name gets renamed in the underlying data source
• The field name gets deleted

Resolution:

• Refresh the data source 
• If the field is renamed, then click the arrow on the right of the field that is giving error

• Select Replace References
• Select the new field that you want to replace the current field with

• Click Ok
• Your visual will start working