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Unexpected error when TimeSpan duration is too long

This article explains why a TimeSpan overflow error may occur and outlines the checks and actions needed to resolve the issue and prevent it from happening again.

Written by Charnjit Singh Dharival

Overview

When trying to load the demand planner or save the plan, you may seeing the following error message highlighted below:

An unexpected error occurred. Please report this problem to your system administrator with the following information:
​System.OverflowException: TimeSpan overflowed because the duration is too long

What are the next steps?

If the error generates when saving the plan, the functionality has been enhanced in Orchestrate version 7.77 hotfix 50 and above. Please upgrade to this version or above.

Need further help?

If the error generates when planning from the demand planner, please contact support via chat, and include the error message you are seeing, where you are seeing it, and the version of Orchestrate you are currently using.

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