# Error building Cbc

**URL:** <https://discourse.julialang.org/t/error-building-cbc/15635>\
**Category:** New to Julia\
**Created:** [September 28, 2018, 6:47pm UTC](https://discourse.julialang.org/t/error-building-cbc/15635 "2018-09-28T18:47:22Z")\
**Posts on this page:** 1\
**Showing post:** 8

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**Author:** ![odow](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/odow/32/28685_2.png) [@odow](https://discourse.julialang.org/u/odow)\
**Post date:** [September 29, 2018, 10:36pm UTC](https://discourse.julialang.org/t/error-building-cbc/15635/8 "2018-09-29T22:36:36Z")

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Try removing Cbc and re-adding it. It should work on v1.0.

However, make sure to read:

> [@JuMP and Julia 0.7/1.0](https://discourse.julialang.org/t/jump-and-julia-0-7-1-0/12964):
>
> Updated Oct 1: tl;dr: Thanks mostly to the persistence of @ExpandingMan, JuMP 0.18.3 was released today supporting Julia 0.6, 0.7, and 1.0. Upgrade away! If you are using JuMP 0.18 on Julia 0.6, we do recommend upgrading now to Julia 0.7 and JuMP 0.18.3. Use Julia 0.7 to assist with updating existing code. If the code runs without deprecation warnings on Julia 0.7, it should run on Julia 1.0 (with some exceptions). Note however that not all solvers have been updated for Julia 1.0/0.7 yet. (We …

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