# Sequence Error Slot unvailable

**URL:** <https://community.hubspot.com/t/sequence-error-slot-unvailable/102874>\
**Category:** Tips, Tricks & Best Practices\
**Tags:** professional\
**Created:** [March 19, 2024, 8:39am UTC](https://community.hubspot.com/t/sequence-error-slot-unvailable/102874 "2024-03-19T08:39:23Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![SMALIZIA](https://avatars.discourse-cdn.com/v4/letter/s/2acd7d/32.png) [@SMALIZIA](https://community.hubspot.com/u/SMALIZIA)\
**Post date:** [March 19, 2024, 8:39am UTC](https://community.hubspot.com/t/sequence-error-slot-unvailable/102874/1 "2024-03-19T08:39:23Z")

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I have a sequence with two mails.

First mail was sent but I have a error for few user : The desired email sending time slot is unavailable

Do you hnow what that error means ?

Thanks

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**Author:** ![Jigar\_Thakker](https://d10pqhm3lwygmk.cloudfront.net/user_avatar/community.hubspot.com/jigar_thakker/32/63606_2.png) [@Jigar\_Thakker](https://community.hubspot.com/u/Jigar_Thakker)\
**Post date:** [March 19, 2024, 9:22am UTC](https://community.hubspot.com/t/sequence-error-slot-unvailable/102874/2 "2024-03-19T09:22:16Z")

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Hey @SMALIZIA

Can you share the screenshot of the error so that I have a clear understanding of what issues you are facing with your sequence?

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**Author:** ![Lucila-Andimol](https://d10pqhm3lwygmk.cloudfront.net/user_avatar/community.hubspot.com/lucila-andimol/32/69276_2.png) [@Lucila-Andimol](https://community.hubspot.com/u/Lucila-Andimol)\
**Post date:** [March 19, 2024, 2:35pm UTC](https://community.hubspot.com/t/sequence-error-slot-unvailable/102874/3 "2024-03-19T14:35:35Z")

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Hey @SMALIZIA

maybe the time zone or the date and time set to send those emails is not available or recommended

check again in the email configuration

 ![Screenshot 2024-03-19 at 15.34.41.jpg](https://d2qpr2jzcazej7.cloudfront.net/original/2X/f/f9888d3ab5cbb82dcd15b41f9051b2f46e34460e.jpeg)

Just in case here is an article with the main errors encountered in sequences

> **[Troubleshoot sequence enrollment issues](https://knowledge.hubspot.com/sequences/sequences-error-contact-cant-be-enrolled-in-this-sequence)**
>
> Learn more about why you may be unable to enroll your contact in a sequence.

Hope this helps