--- title: "Error: Following User IDs do not exist" slug: "error-following-user-ids-do-not-exist" tags: ["user id does not exist"] updated: 2025-08-11T06:02:29Z published: 2025-08-11T06:02:29Z canonical: "support.whatfix.com/error-following-user-ids-do-not-exist" --- > ## Documentation Index > Fetch the complete documentation index at: https://support.whatfix.com/llms.txt > Use this file to discover all available pages before exploring further. # Error: Following User IDs do not exist ## Issue If you try to filter for a User ID with a comma, such as **Doe, John**, Whatfix displays an error message, "**Following User IDs do not exist"**. ![user_id_error.png](https://cdn.document360.io/a268766e-d74d-4619-9613-e2472f809ffb/Images/Documentation/user_id_error.png?sv=2026-02-06&spr=https&st=2026-11-12T07%3A59%3A24Z&se=2026-11-12T08%3A59%3A24Z&sr=c&sp=r&sig=MjSPMv9gxDSiNwX5%2FEg5am7ppkG%2FkPqi6jAswVLMqgU%3D) ## Probable Cause Whatfix shows the error because the comma is read as a separator, splitting the ID into two parts. ## Suggested Solutions Filter the User IDs using the following methods: **Filter a single User ID that contains a comma** **Example**: Doe, John Enclose the User ID in quotes: **"Doe, John"**. --- **Filter multiple User IDs (some with commas)** **Example**: "Doe, John", "Smith, Jane", Adam - Add quotes around every User ID that contains a comma. - Separate each User ID with a comma placed outside the quotes. --- **Filter a User ID that already contains quotes** **Example:** "John" If the User ID itself includes quotation marks, enter it exactly as shown, no commas inside the quotes. User IDs without commas or quotes can be entered normally.