# Failed to download module life\_line\_chart\_version 1.7.5

**URL:** <https://gramps.discourse.group/t/failed-to-download-module-life-line-chart-version-1-7-5/2519>\
**Category:** Help\
**Tags:** prerequisite-mgmt\
**Created:** [June 16, 2022, 11:52am UTC](https://gramps.discourse.group/t/failed-to-download-module-life-line-chart-version-1-7-5/2519 "2022-06-16T11:52:24Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![christo5201](https://avatars.discourse-cdn.com/v4/letter/c/da6949/32.png) [@christo5201](https://gramps.discourse.group/u/christo5201)\
**Post date:** [June 16, 2022, 11:52am UTC](https://gramps.discourse.group/t/failed-to-download-module-life-line-chart-version-1-7-5/2519/1 "2022-06-16T11:52:24Z")

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I’ve downloaded version 5.1.5. Windows 10 64bit). If I open Gramps I get this message: “Failed to download module life\_line\_chart\_version 1.7.5”  
Any suggestions on what I can do to fix it will be appreciated.

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**Author:** ![emyoulation](https://yyz2.discourse-cdn.com/free1/user_avatar/gramps.discourse.group/emyoulation/32/67_2.png) [@emyoulation](https://gramps.discourse.group/u/emyoulation)\
**Post date:** [June 16, 2022, 1:39pm UTC](https://gramps.discourse.group/t/failed-to-download-module-life-line-chart-version-1-7-5/2519/2 "2022-06-16T13:39:27Z")

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That add-on has **Prerequisites**.

To do graphs & controls like below, it replies on some extra libraries. Other add-on _might_ have had already installed them. To avoid duplicate installations, it replies on you to install such Prerequisites.

[![](https://global.discourse-cdn.com/free1/uploads/gramps/original/2X/c/c343d9a3dda5b5623a4f0496228793af5a1e4b85.png) ](https://gramps-project.org/wiki/images/6/62/LifeLineChartViewScreenshot2-51.png)

See the [lifelines view mode addon](https://gramps-project.org/wiki/index.php/Addon:Life_Line_Chart_View) wiki documentation & scroll down to the Prerequisites section.

The section is a little thin. (Once people do the installation, they don’t give it another thought. So the docs haven’t evolved.) Please give feedback if something there is unclear.

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**Author:** ![system](https://global.discourse-cdn.com/free1/uploads/gramps/original/1X/2ac1e712b7adf612e31ca08a55419f4cf37c0158.png) [@system](https://gramps.discourse.group/u/system)\
**Post date:** [July 16, 2022, 1:40pm UTC](https://gramps.discourse.group/t/failed-to-download-module-life-line-chart-version-1-7-5/2519/3 "2022-07-16T13:40:08Z")

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