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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
946418 Tableau Desktop, Tableau Prep

When installing or upgrading to a Tableau Desktop or Tableau Prep Builder version released after June 1st, 2019 on macOS Catalina, an "Tableau Desktop.pkg” can’t be opened because Apple cannot check it for malicious software." error occurred. This behavior is related to the macOS notarization process.

Open
887190, 820196 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
887191, 868227 Tableau Prep

After running a flow, the order of the fields in the resulting CSV did not always match what was expected.

Open
923017 Tableau Prep

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

Open
936130 Tableau Prep

When attempting to run a flow that contains many inputs the following error occurs: "Failure evaluating to database: ERROR: collation mismatch, use COLLATE statements to resolve."

Open
956900 Tableau Prep

When running a flow of Oracle data that involves a join between two aggregates in Tableau Prep 2019.2.3, it gives the error "Something went wrong and we were unable to process output step: Failure parsing AQL: Oracle database error 972: ORA-00972: identifier is too long..."

Open
1012011 Tableau Prep

When publishing several steps by right clicking "Save Flow As" > "Publish to Server", the publish dialog starts off with the "Saved Steps" tag added to the published flow. However, if the user clicks around in the publish dialog, that tag disappears.

Open
1007106 Tableau Prep

Prep Builder page is blank when trying to load flow editor due to a race condition affecting the scripts that need to be loaded.

Open
1027065 Tableau Prep, Tableau Online

Unable to cancel a running Prep flow in Tableau Online. Flow stuck "in progress" blocking other flows from running.

Open
930904, 1031927 Tableau Prep

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

Open
1015533 Tableau Prep

Attempting to overwrite a published data source using Tableau Prep Builder sometimes resulted in the following error "loomTableauServerResourceBundle-VizportalPublishDatasourceExceptionMsg"

Open
1031102 Tableau Prep

When certain departments were selected, the registration window displayed every time Tableau Prep Builder was opened.

Fixed in 2019.4.2
1014418 Tableau Prep

Copy and pasting a union in a flow resulted in the following error "the step is missing one or more input"

Fixed in 2019.4.2
999120, 1012267 Tableau Prep

Running a flow sometimes resulted in the error "Failure evaluating to database: No such column".

Fixed in 2019.4.2
943679 Tableau Prep

Running a flow in Tableau Prep 2019.2.3 outputs a different number of rows than in Tableau Prep 2019.1.4.

Fixed in 2019.4.2
951198 Tableau Prep

Tableau Prep 2019.2.3 detects and displays a null value where in previous versions (2019.1.3 & 2019.2.2) the column contained no null values.

Fixed in 2019.4.2
952122 Tableau Prep

Getting a Java Heap error in Prep 2019.2.3, where the flow used to run in Prep 2019.2.2, due to inefficient memory. (Flow now requiring x 3.5 more memory.)

Fixed in 2019.4.2
955771, 962837 Tableau Prep

When running a flow with a rows-to-columns pivot, the flow fails with the error "Cannot mix aggregate and scalar expressions".

Fixed in 2019.4.2
973902 Tableau Prep

Tableau Prep CLI scheduling is not connecting to run flow. Reporting error code (%errorlevel%) is showing "0" stating that nothing is wrong, when Tableau Prep is unable to reach Tableau Server to publish flow.

Fixed in 2019.4.2
977309 Tableau Prep

System error "Failure evaluating to database: Abstract query SELECT [field name] is not defined" when connecting to an excel file.

Fixed in 2019.4.2
983017 Tableau Prep

On MacOS an error occurs when saving or exporting a packaged flow if wildcard union was used containing names with certain Japanese characters. Saving the same flow on Windows does not show any error.

Fixed in 2019.4.2
984438 Tableau Prep

Error with "Can't find field" after re-opening a flow with a column renamed and then type changed.

Fixed in 2019.4.2
984881 Tableau Prep

Custom SQL that runs on Tableau Desktop 2019.1.4 fails in Tableau Prep 2019.1.3 and 2019.2.2 with error "function pg_catalog.substring(jsonb, integer, integer) does not exist;".

Fixed in 2019.4.2
998265 Tableau Prep

Localized "Named Range" string can produce inconsistent results in sheet matching pattern when using a different UI language in Prep Builder.

Fixed in 2019.4.2
1003540 Tableau Prep

If not selecting all input nodes for a union, the "Save steps as flow" will fail. Copying some of the inputs to a union and pasting it into the same flow will cause the union step to display an error that can only be resolved by removing the union step and recreating it.

Fixed in 2019.4.2
1017608 Tableau Prep

If a flow contains more than 13 alerts/errors in the Alerts pane, only the first 13 error messages display, the rest of the list is blank.

Fixed in 2019.4.2
1000827 Tableau Prep

In Italian [it-IT] "Remove Extra Spaces" and "Trim Spaces" have the same translations.

Fixed in 2019.4.2
1046987 Tableau Prep

Connecting to Teradata from Tableau Prep Builder failed with the error "Unable to connect to your data because the Initial SQL parameter 'LoginUser' isn't supported"

Fixed in 2020.1.1
955179 Tableau Prep

After launching a statistical file in Tableau Prep Builder 2019.2.3 this error is received, "Tableau Prep Builder stopped running because an underlying process stopped unexpectedly."

Fixed in 2020.1.1
976395, 985189 Tableau Prep

When running a flow containing a string filter and a left join, the following message is returned, "ERROR: non-NULL value required".

Fixed in 2020.1.1
993390, 1054664 Tableau Prep

Prep Builder 2019.3.1 is unable to connect to Google BigQuery. The data does not transition to the flow screen after performing BigQuery authentication in the browser.

Fixed in 2020.1.1
1005095 Tableau Prep

Error saving flow as .tfl after inserting a .tflx into an existing flow. Generic error appears "Can't save the file".

Fixed in 2020.1.1
1027746 Tableau Prep

When trying to create a new calculated field containing an iffnull(), Prep Builder throws error "Unknown Field Name..." despite the field being present in the flow.

Fixed in 2020.1.1
1031644 Tableau Prep

When publishing a flow from the CLI, permission errors of insufficient privilege throw exceptions instead of showing valid error messages, necessitating technical support involvement to troubleshoot.

Fixed in 2020.1.1