# UndefVarError: \_throw\_dmrs not defined but "\_throw\_dmrs" is nowhere in my code

**URL:** <https://discourse.julialang.org/t/undefvarerror-throw-dmrs-not-defined-but-throw-dmrs-is-nowhere-in-my-code/97445>\
**Category:** General Usage\
**Created:** [April 13, 2023, 8:20pm UTC](https://discourse.julialang.org/t/undefvarerror-throw-dmrs-not-defined-but-throw-dmrs-is-nowhere-in-my-code/97445 "2023-04-13T20:20:17Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![juliauser](https://avatars.discourse-cdn.com/v4/letter/j/46a35a/32.png) [@juliauser](https://discourse.julialang.org/u/juliauser)\
**Post date:** [April 13, 2023, 8:20pm UTC](https://discourse.julialang.org/t/undefvarerror-throw-dmrs-not-defined-but-throw-dmrs-is-nowhere-in-my-code/97445/1 "2023-04-13T20:20:17Z")

</div>

What does this error mean? It happens in the context of a NLsolve but I have no idea what “\_throw\_dmrs” is.

---

<div class="post-metadata">

**Author:** ![tim.holy](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/tim.holy/32/52_2.png) [@tim.holy](https://discourse.julialang.org/u/tim.holy)\
**Post date:** [April 13, 2023, 9:46pm UTC](https://discourse.julialang.org/t/undefvarerror-throw-dmrs-not-defined-but-throw-dmrs-is-nowhere-in-my-code/97445/2 "2023-04-13T21:46:37Z")

</div>

There’s not enough information to really help here (the whole stacktrace would be much more helpful), but searching JuliaHub indicates that this appears in Julia and a few packages:

[https://juliahub.com/ui/Search?type=code&q=\_throw\_dmrs&r=true](https://juliahub.com/ui/Search?type=code&q=_throw_dmrs&r=true)