# Revit 2019 - Failed to load language 'IronPython 2.7.3': Method not found:

**URL:** <https://forum.dynamobim.com/t/revit-2019-failed-to-load-language-ironpython-2-7-3-method-not-found/98101>\
**Category:** Developers\
**Tags:** revit, python, dynamo\
**Created:** [February 14, 2024, 11:38pm UTC](https://forum.dynamobim.com/t/revit-2019-failed-to-load-language-ironpython-2-7-3-method-not-found/98101 "2024-02-14T23:38:52Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![salvatoredragotta](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.dynamobim.com/salvatoredragotta/32/10078_2.png) [@salvatoredragotta](https://forum.dynamobim.com/u/salvatoredragotta)\
**Post date:** [February 14, 2024, 11:38pm UTC](https://forum.dynamobim.com/t/revit-2019-failed-to-load-language-ironpython-2-7-3-method-not-found/98101/1 "2024-02-14T23:38:52Z")

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I have not used Revit 2019 in a while and although it is not supported I need to develop a script.

Upgrading the project to a later version is not an option.

There is an issue with the Python Script node.

![image](https://us1.discourse-cdn.com/flex022/uploads/dynamobim/original/3X/3/2/32c3ab121dc31796d4e5ca92785eea5be996d9dd.png)

![image](https://us1.discourse-cdn.com/flex022/uploads/dynamobim/original/3X/1/0/107e609b8d13ec8fc124b7bb257dab16dae6d2bd.png)

![image](https://us1.discourse-cdn.com/flex022/uploads/dynamobim/original/3X/c/6/c6b7a587a2167a7071a484b44d7dab964c840695.png)

Any idea how to fix it?

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<div class="post-metadata">

**Author:** ![salvatoredragotta](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.dynamobim.com/salvatoredragotta/32/10078_2.png) [@salvatoredragotta](https://forum.dynamobim.com/u/salvatoredragotta)\
**Post date:** [February 15, 2024, 1:28am UTC](https://forum.dynamobim.com/t/revit-2019-failed-to-load-language-ironpython-2-7-3-method-not-found/98101/2 "2024-02-15T01:28:49Z")

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re-installing dynamo 2.0.4 has solved the issue.