Salesforce Known Issues
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Known Issues · Data Loader

Data Loader OAuth login fails with error "Can't access this page We don't support this browser"

API , Data Loader

When non Admin users attempt to use the OAuth login option with Data Loader on Windows machines, they may encounter the following error message that prevents log in. Can't access this page We don't support this browser. Try opening this page in a supported browser. Data Loader uses SWT to render...

In Review ·Reported By 3 ·Updated 3 days ago

The import wizard fails with a generic error.

Data Loader

Some customers using the import wizard may encounter difficulty importing one or more files even though all of the data is correctly formatted and all required fields are present.

In Review ·Reported By 731 ·Updated 15 days ago

Unable to save Data Loader field mapping sdl file on Mac OS 10.5 Catalina

API , Data Loader

Using Data Loader on MacOS 10.15 Catalina and selecting to "Create or Edit a Map" on Step 3: Mapping for any Data Loader operation (i.e. Insert), saving a new SDL mapping file, and then selecting to "Save Mapping" once again and attempting to re-save the file or create a new renamed mapping file causes...

In Review ·Reported By 8 ·Updated 21 days ago

Data Loader CLI v51 results in xml is invalid; nested exception for Attribute "singleton" must be declared

API , Data Loader , Spring 21

Due to changes in Spring framework and in log4j version, Data Loader 51 (Spring '21) CLI won't work with the following config files currently provided in: Documentation: Step Four: Create the Configuration File: GitHub...

Fixed - Spring '21 Patch 13.0 ·Reported By 10 ·Updated 2021-03-25

Data Loader OAuth login may fail when using saved usernames and Server host setting is changed unexpectedly

Data Loader , Sandbox

When attempting to login using Data Loader's OAuth option, users encounter a generic error: Please check your username and password. If you still can't log in, contact your Salesforce administrator. And no login attempt may be present or recorded in the user record's login history. In addition,...

In Review ·Reported By 34 ·Updated 2021-03-15

Unable to update more than one email message record via Apex or with Data Loader when the batch size is over 200

Apex , API , Data Loader , Developer Console , Winter 17

Unable to update more than one email message record via Dev console / APEX or with Data Loader when the batch size is over 200 When we try to update multiple email message records using the 'open execute anonymous window' in dev console, an error is thrown. The code to update the email messages...

In Review ·Reported By 16 ·Updated 2021-03-02

Data Loader "Query request size" always defaults to 500 regardless of value specified in settings

API , Data Export , Data Loader

When using the Data Loader to run an export (query()) and/or export all (queryAll()) operation, the value set in Data Loader's "Query request size" setting is not being honored or used and batches are being processed using the default value of 500 rows or records. SOAP API Developer Guide - QueryOptions...

In Review ·Reported By 13 ·Updated 2021-02-06

Error message is garbled with multibyte character in Error view in DataLoader or Error result file.

Data Loader

In Error view in DataLoader or Error result file (csv), error message message not represented correctly with multibyte character.

No Fix ·Reported By 0 ·Updated 2021-01-27

Data Loader does not work properly on MacOS 11

Data Loader

A blank window is displayed when users open Data Loader on MAC OS 11 Big Sur. This is also discussed on the following thread:

Fixed - Winter '21 Patch 15.0 ·Reported By 160 ·Updated 2020-12-09

Quotes Sync is adding decimal places and changing the Unit Price on Quote Line Items

API , Data Loader

When inserting a Quote Line Item record via API(Data Loader, Apex), it adds additional decimal places during quote sync. This occurs when Multi-Currency is enabled and the decimal place is set to 4.

Fixed - Spring '21 ·Reported By 2 ·Updated 2020-11-17

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