An intermittent error: "Unable to complete action. Internal Error - An unexpected error occurred and the operation could not be completed. Error Code: 0E1EAFA4" could occur when editing a view.

When attempting to refresh or open a workbook with multiple data source, the error could display stating, "ERROR: no such field '[Calculation_XXXX:ok]', datasource='(name)."

"Error: Unable to complete action. Internal Error - An unexpected error occurred and the operation could not be completed. Error Code: 6EA18A9E" could occur when publishing or opening a workbook on Tableau Server when there is a table calculation, a parameter, and data blending in one worksheet.

Error code 6ea18a9e could display when performing an incremental refresh of an extract that uses custom SQL.

OData V3 could fail to refresh using 2020.3+.

A workbook could generate a "collation mismatch" error when trying to view full data with Excel and extract data sources.

An extract could repeatedly be created when switching between the sheet and the data source tab even after the extract had been created successfully.

The Impala data connector would fail to connect via the HTTP transport protocol.

With PostgreSQL data, a timezone set by the initial SQL command when connected via JDBC would fail to apply.

When opening and closing workbooks, aliases and sorts were sometimes not saved when connected live to Microsoft Access.

Some users were not able to log into Tableau Online from Tableau Desktop when using a Gmail email account.

"Error code 2F0F5E42" could display when a workbook was connected to a live data source with joined tables.

Error Code: F5328B32, "Tableau cannot evaluate the query that results from this calculation" could result when more than one spatial calculated field is added to the view.

A "Driver not found" error message would sometimes result and the sign-button was unavailable when opening a workbook connected to an Impala data source.

Presto data queries could fail with the error, "Value is not a number: java.lan.String", when converting custom SQL to decimal using the DECIMAL() function to cast the data type.