# \* (CompileError): undefined function

**URL:** <https://forum.elixirforum.com/t/compileerror-undefined-function/31558>\
**Category:** Questions\
**Tags:** compiler, errors\
**Created:** [May 15, 2020, 7:04pm UTC](https://forum.elixirforum.com/t/compileerror-undefined-function/31558 "2020-05-15T19:04:30Z")\
**Posts on this page:** 1\
**Showing post:** 3

<div class="post-metadata">

**Author:** ![NobbZ](https://forum.elixirforum.com/user_avatar/forum.elixirforum.com/nobbz/32/27235_2.png) [@NobbZ](https://forum.elixirforum.com/u/NobbZ)\
**Post date:** [May 15, 2020, 7:09pm UTC](https://forum.elixirforum.com/t/compileerror-undefined-function/31558/3 "2020-05-15T19:09:20Z")

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There is an uppercase L in the usage of the variable, but not in it’s definition

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