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Posted on by GA-15070752-0

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Hi,

im launching the planning sheet, trying to get the purchase planification of three different articles, but i receive all the time the same error "Error calculating ahead. The calendar is not available after 01/10/25 for the work centre". i dont know how i can solve this problem.

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Valentin Castravet 31,262 Super User 2025 Season 2 on at

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You need to set calendars and then calculate work center calendars. To do that you can follow all the steps in this guide (except for the part about registering absences) - Set Up Shop Calendars - Business Central | Microsoft Learn

Valentin Castravet
Work: Zander ERP Services
Blog: Dynamics 365 Business Central Insights
LinkedIn: www.linkedin.com/in/valentin-c-0500a247/

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YUN ZHU 95,307 Super User 2025 Season 2 on at

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Hi, hope the following can give you som hints as well.

https://opalbiz.com/2022/12/update-the-work-center-calendar-in-business-central/

https://www.dynamicsuser.net/t/calender-calculating-in-work-center-error/43996

Thanks.

ZHU

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Pallavi Phade 3,689 on at

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Namaste @GA-15070752-0

As per Error , Working Days are not mentioned in that Date .

Shop Calenders

Base Calendar

https://learn.microsoft.com/en-us/dynamics365/business-central/across-how-to-assign-base-calendars

https://learn.microsoft.com/en-us/dynamics365/business-central/production-how-to-create-work-center-calendars

Regards

Pallavi Phade

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Rishabh Kanaskar 6,147 on at

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Hi,

The error means the work center calendar ends on 01/10/25, so the planning engine cannot schedule beyond that date.
Fix:

> Go to Work Center Card > Calendar.
> Extend the Base Calendar or Shop Calendar to include dates beyond 01/10/25.

> Recalculate the Work Center Calendar so the system updates capacity dates.

Recalculate the planning worksheet after updating the calendar.

This is standard behavior. Planning cannot calculate if the capacity calendar stops before the required date.

Thanks

Rishabh

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