# Error saving any setting
**URL:** https://forum.mautic.org/t/error-saving-any-setting/3330
**Category:** General Discussion
**Created:** [January 27, 2016, 12:04pm UTC](https://forum.mautic.org/t/error-saving-any-setting/3330 "2016-01-27T12:04:43Z")
**Posts on this page:** 4
**Page:** 1
### Author:  [@tginformatica](https://forum.mautic.org/u/tginformatica)
#### Post date: [January 27, 2016, 12:04pm UTC](https://forum.mautic.org/t/error-saving-any-setting/3330/1 "2016-01-27T12:04:43Z")
Error saving any setting , see log below
[2016-01-27 11:43:27] mautic.ERROR: Uncaught PHP Exception SymfonyComponentHttpKernelExceptionNotFoundHttpException: “Requested URL not found: /mautic/s/config” at /home2/aproxima/public\_html/mautic/app/bundles/CoreBundle/Controller/CommonController.php line 352
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### Author:  [@tginformatica](https://forum.mautic.org/u/tginformatica)
#### Post date: [January 27, 2016, 12:04pm UTC](https://forum.mautic.org/t/error-saving-any-setting/3330/2 "2016-01-27T12:04:43Z")
Error saving any setting , see log below
[2016-01-27 11:43:27] mautic.ERROR: Uncaught PHP Exception SymfonyComponentHttpKernelExceptionNotFoundHttpException: “Requested URL not found: /mautic/s/config” at /home2/aproxima/public\_html/mautic/app/bundles/CoreBundle/Controller/CommonController.php line 352
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### Author:  [@escopecz](https://forum.mautic.org/u/escopecz)
#### Post date: [February 1, 2016, 11:28am UTC](https://forum.mautic.org/t/error-saving-any-setting/3330/3 "2016-02-01T11:28:33Z")
Try to clear the cache. Delete the app/cache dir.
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### Author:  [@tginformatica](https://forum.mautic.org/u/tginformatica)
#### Post date: [April 9, 2016, 1:44am UTC](https://forum.mautic.org/t/error-saving-any-setting/3330/4 "2016-04-09T01:44:46Z")
Hello @escopecz
I noticed that the open e-mails were not marked as read, it was then that I started researching more about traking mail.
The solution:
In system settings, by default host is localhost, we had the idea to change the address of my domain and it worked.
Tks brother!