Update error-codes.md

Author: przlplx

support/power-platform/copilot-studio/authoring/error-codes.md

@@ -317,7 +317,7 @@ For more information, see [Maximum channel data message size limits when using C
 | **2020**                | "Something happened, and `{Flow Name}` isn't working in `{Topic Name}`. Try again later. If the issue persists, check your flow's setup and run history."                | Your Power Automate flow isn't working. Try again later. If the issue persists, [check the flow for errors][6].                                                                                                           |
 | **2021**                | "Number of dialogs executed in the current turn exceeded the maximum of `{Dialog Limit}`."                                                                               | By default, the maximum number of topics is 50. Reduce the number of topics, then try again.                                                                                                                              |
 | **2022**                | "The bot sent more than `{Message Limit}` messages in this turn."                                                                                                        | Limit messages per turn to under 30.                                                                                                                                                                                      |
-| **2024**                | "This environment requires users to sign in before they can use the bot. Go to Manage > Security > Authentication and select the option that requires users to sign in." | Your environment data policies requires that users sign in. To learn how to require users to sign in, see [Configure user authentication][20].                                                                          |
+| **2024**                | "This environment requires users to sign in before they can use the bot. Go to Manage > Security > Authentication and select the option that requires users to sign in." | Your environment data policies require that users sign in. To learn how to require users to sign in, see [Configure user authentication][20].                                                                          |
 | **2025**                | "There are one or more empty nodes in topic `{Topic Name}`, Please check your content."                                                                                  | Add content to empty nodes or remove them from the topic.                                                                                                                                                                 |
 | **2025**                | "`{Topic Name}` is redirecting to a topic, which has been turned off. Return to `{Topic Name}` and check your content."                                                  | Your topic is [redirecting][2] to another topic that has been turned off. [Turn on the other topic][21] or [remove the redirect node][22].                                                                                |
 | **2025**                | "The topic you're trying to redirect to no longer exists. Return to `{Topic Name}` and check your content."                                                              | The topic you're trying to [redirect][2] to no longer exists. [Create a topic][23] to redirect to or [remove the redirect node][22].                                                                                  |