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Known Issues

Use this list to see if an issue affecting you is already known and decide when to upgrade. Fixed issues are removed after 45 days. All fixed issues can be found in Release Notes.

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Issue ID Product Description Status
1070398 Tableau Desktop, Tableau Prep

When using ATR based virtual desktop licensing, activating Tableau Desktop 2019.4.3 resulted in the error "Your tableau product key was not recognized" and activating Tableau Prep Builder 2020.1.2 resulted in the error "The product is unable to activate due to an internal licensing error"

Open
1062451 Tableau Prep

When using cleaning steps unable to change data type in input step when connecting to Box or OneDrive. Rows containing strings value remain displayed as "Null".

Open
1089607 Tableau Prep

Using Custom SQL in Tableau Prep Builder, characters such as ">" are duplicated in Custom SQL when you revisit the input step.

Open
1093937 Tableau Prep

When attempting to output a Tableau Prep flow, a calculated column returns null values despite displaying them in the UI.

Open
1093146 Tableau Prep

Some users of Tableau Prep Builder 2019.3.1 - 2020.1.2 who opted out of sharing their usage data during installation may have unintentionally shared some usage data due to a defect in the Tableau Prep code. Tableau has deleted all usage data collected from Prep Builder versions 2019.3.1 - 2020.1.2. and taken steps to fully correct the issue with the release of Prep Builder 2020.1.5.

Open
1070996 Tableau Prep

If a LOD calculation is used inside an "if" statement and then deleted, it leads to the following error "System error: com.tableau.loom.doc.exceptions.LoomIOException: Problem with IO: Failure parsing AQL: identifier."

Open
887191 Tableau Prep

When changing column order at Clean step in Prep interface, the order is retained in output file, but, when executing the same flow file from Command Line interface, the column order is not retained and revert back to original order in the data source.

Open
923017 Tableau Prep

In Tableau Prep Builder, sometimes bigint data was rounded incorrectly.

Open
930904, 1031927 Tableau Prep

String values with capital letters are treated inconsistently in out-of-sample values.

Open
1006430 Tableau Prep

Tableau Prep Builder sometimes exported a 1 for an if-else calculation when a 0 was expected.

Fixed in 2020.1.3
1015438 Tableau Prep

Clicking a "clean" step after clicking another step sometimes resulted in the error "System error: System error".

Fixed in 2020.1.3
1017349 Tableau Prep

Cloudera Hadoop sign in was disabled when only Cloudera Impala drivers were installed.

Fixed in 2020.1.3
1019954 Tableau Prep

Opening the Box connector showed the following prompt: "Do you want the application "java" to accept incoming network connections?"

Fixed in 2020.1.3
1021405 Tableau Prep

When connecting to TabPy or RServe with "require SSL" selected, Tableau Prep Builder closed unexpectedly with the error "Something went wrong and the application needs to restart".

Fixed in 2020.1.3
1035476 Tableau Prep

Adding a pivot step sometimes resulted in a "Failure parsing AQL" error.

Fixed in 2020.1.3
1037815 Tableau Prep

Changing the color of an aggregate step had no effect.

Fixed in 2020.1.3
1065355 Tableau Prep

Flows with a large number of changes in a single clean step sometimes failed to complete.

Fixed in 2020.1.3
1048253 Tableau Prep

While trying to run a .tfl flow as input node, the following error "System Error: Unable to run input node: Failure evaluating database: [66] hyper_execute_query:0 "db1003"."TableauTemp"."Sheet1$" does not exist." occurs. When running the same flow as .tflx, it works fine.

Fixed in 2020.1.3
1057458 Tableau Prep

After upgrading to Tableau Prep 2019.4.2 flows stopped working correctly and performance regression was observed, but no error messages appeared, just spins running infinitely without actually processing the data. Downgrading to 2019.4.1 made flows work again.

Fixed in 2020.1.3
1068782 Tableau Prep

When adding several sheets to a Union in Tableau Prep, interacting with flow steps stalls and takes several minutes to load. Additionally, the flow ran in 1 second on 2019.4.1 but does not complete after one hour in both 2019.4.2 and 2020.1.1.

Fixed in 2020.1.3
1076862 Tableau Prep

Publishing a flow containing an initial SQL parameter from Prep Builder 2020.1.3 to Tableau Server 2020.1 resulted in an error "The flow can't be scheduled or run because Tableau Server is running an older version than your copy of Tableau Prep Builder and doesn't support some of the features in this flow".

Fixed in 2020.1.4
959816 Tableau Prep

Tableau Prep fails to automatically trim trailing whitespace in the Table/Schema Search, whereas Desktop always trims whitespaces.

Fixed in 2020.1.4
1005503 Tableau Prep

Unable to change data type in Input step when connecting to PDF.

Fixed in 2020.1.4
1017545 Tableau Prep

Tableau Prep Flow Output data changes to incorrect values if flow contains Right Outer Join and "IFNULL" calculation.

Fixed in 2020.1.4
1034566 Tableau Prep

Pivot [Rows to Columns] Does NOT Return All Columns. The sample field has 350 distinct values, but Pivot [Rows to Columns] returns only 320 columns.

Fixed in 2020.1.4
1040428 Tableau Prep

Error appears: "Unable to run input node: Failure evaluating to database......collation mismatch, use COLLATE statements to resolve", when executing a given query.

Fixed in 2020.1.4
1044679 Tableau Prep

Tableau Prep hangs on splash screen and will not launch due to Prepservice component not starting properly.

Fixed in 2020.1.4
1048273 Tableau Prep

Running a flow, created in an older version, does not complete after upgrading to Tableau Prep Builder 2019.4.2. No issues running the same flow in 2019.3 and 2019.4.1.

Fixed in 2020.1.4
1060635 Tableau Prep

Flow execution error when using Windows Excel: "Error in outputting: Failure evaluating to database tableau temp does not exist when using a UNC path in the input connection."

Fixed in 2020.1.4
1056101 Tableau Prep

When attempted to connect to MS SQL Server using Tableau Prep Builder 2019.4.2, unable to get prompt for username and password when using Windows authentication.

Fixed in 2020.1.4
1051553 Tableau Prep

Tableau Prep is converting date values improperly, showing 1000-01-01 as 12/31/0999.

Fixed in 2020.1.4
1084427 Tableau Prep

When trying to open flows containing LOD calculations in Prep Builder 2020.1.2, no error is encountered, but if the same flow is opened in Prep Builder 2020.1.3, the following error occurs: "This flow was created in a newer version of Tableau Prep Builder and includes functionality that isn't supported in this version. To open the flow, either upgrade to the latest version or open the flow in Tableau Prep Builder 2020.1.1 and disable the following functionality: Level of Detail Calculations".

Fixed in 2020.1.4
1076973 Tableau Prep

Flow built on pivoted left joined on itself data set does not output the expected number of rows.

Fixed in 2020.1.4