> For the complete documentation index, see [llms.txt](https://help.sdocs.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.sdocs.com/sdocs/administration/install-configure/installation-upgrade-errors.md).

# Installation/Upgrade Errors

{% stepper %}
{% step %}

#### "This app can't be upgraded. There are problems that prevent this package from being installed. Missing Organization Feature: EnhancedEmail" error when trying to install/update S-Docs

**A)** "Enhanced Email" feature has not been enabled. Go To Setup→Build→Customize→Enhanced Email click on the ENABLE button.
{% endstep %}

{% step %}

#### "This app can't be upgraded. There are problems that prevent this package from being installed. Missing Organization Feature: Quotes" error when trying to install/update S-Docs

**A)** "Quote" feature has not been enabled. Enter Quote in the Quick Find box, then select Quote Settings (Lightning Experience) or Quotes Settings (Salesforce Classic) and check "Enable Quotes".

**B)** Campaigns are sometimes an issue, too. Enable Campaigns and add one to the environment.
{% endstep %}
{% endstepper %}


---

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