# Tag History Data Source

**URL:** <https://forum.inductiveautomation.com/t/tag-history-data-source/66368>\
**Category:** Ignition\
**Tags:** ignition81\
**Created:** [November 10, 2022, 8:41pm UTC](https://forum.inductiveautomation.com/t/tag-history-data-source/66368 "2022-11-10T20:41:13Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Edwin.c](https://avatars.discourse-cdn.com/v4/letter/e/9d8465/32.png) [@Edwin.c](https://forum.inductiveautomation.com/u/Edwin.c)\
**Post date:** [November 10, 2022, 8:41pm UTC](https://forum.inductiveautomation.com/t/tag-history-data-source/66368/1 "2022-11-10T20:41:13Z")

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I am observing lot of errors in Ignition Logs wrt memory and Tag History Data Source.

Attached please find the Screenshot found.

 ![image](https://us1.discourse-cdn.com/inductiveautomation/original/3X/b/6/b62d1b2267484b59168e1eba7c8c658d933c9202.png)

Can you please help us find a solution

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<div class="post-metadata">

**Author:** ![Munkhbat\_Munkhtulga](https://avatars.discourse-cdn.com/v4/letter/m/958977/32.png) [@Munkhbat\_Munkhtulga](https://forum.inductiveautomation.com/u/Munkhbat_Munkhtulga)\
**Post date:** [November 16, 2022, 9:45pm UTC](https://forum.inductiveautomation.com/t/tag-history-data-source/66368/2 "2022-11-16T21:45:41Z")

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Hi Edwin,

This could be caused by deleting a database connection while there were still data in the S&F quarantine. Please reach out to [support](https://support.inductiveautomation.com/hc/en-us) for more help on this issue.