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Is it possible to change the global timeout message in OutSystems?
Question

Hi everyone,

I would like to ask whether OutSystems provides any way to customize or override the timeout error message globally (for example, request timeout or server action timeout) across the application.

Currently, when a timeout occurs, the system shows the default message. We are wondering if it is possible to:

  • Change this message globally, or

  • Configure a custom timeout message at the platform/application level, instead of handling it individually in each action or screen.

If there is no built-in way to do this, what would be the recommended approach or best practice to handle timeout messages consistently?

Thanks in advance for your advice.

2025-12-22 13-50-43
Sherif El-Habibi
Champion
Solution

Hello,

Have you tried changing the message in OnException in the Common Flow? I think that whenever a timeout occurs, the global message is handled there, where you can modify it.

2023-02-20 05-20-57
Nam Nguyen
Solution

Hi,

When a timeout occurs, a Communication Exception is raised. 

You can override in OnException per app ,instead of handling it individually in each action or screen 



Cheers,

Nam

2025-12-22 13-50-43
Sherif El-Habibi
Champion
Solution

Hello,

Have you tried changing the message in OnException in the Common Flow? I think that whenever a timeout occurs, the global message is handled there, where you can modify it.

2023-02-20 05-20-57
Nam Nguyen
Solution

Hi,

When a timeout occurs, a Communication Exception is raised. 

You can override in OnException per app ,instead of handling it individually in each action or screen 



Cheers,

Nam

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Tuan Duong

Thank everyone for helping me solve the problem

2025-12-22 13-50-43
Sherif El-Habibi
Champion

You’re very welcome anytime.

2024-10-05 13-30-20
Huy Hoang The

All global exceptions are handled in Common/OnException. Global timeout errors are handled in Communication Exception.

Hope you have a great experience with this platform.

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