# UndefVarError: ClpSolver not defined

**URL:** <https://discourse.julialang.org/t/undefvarerror-clpsolver-not-defined/19481>\
**Category:** Optimization (Mathematical)\
**Tags:** jump, optimization\
**Created:** [January 10, 2019, 3:34pm UTC](https://discourse.julialang.org/t/undefvarerror-clpsolver-not-defined/19481 "2019-01-10T15:34:15Z")\
**Posts on this page:** 1\
**Showing post:** 5

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**Author:** ![tkoolen](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/tkoolen/32/1603_2.png) [@tkoolen](https://discourse.julialang.org/u/tkoolen)\
**Post date:** [January 11, 2019, 5:04pm UTC](https://discourse.julialang.org/t/undefvarerror-clpsolver-not-defined/19481/5 "2019-01-11T17:04:39Z")

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Hey. Please read [Please read: make it easier to help you](https://discourse.julialang.org/t/psa-make-it-easier-to-help-you/14757), especially the points regarding a minimal working example and version numbers.

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_[View the full topic](https://discourse.julialang.org/t/undefvarerror-clpsolver-not-defined/19481)._