JoelSjogren

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Dec 7th, 2020
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  1. box% stack install profunctor-optics
  2.  
  3. Error: While constructing the build plan, the following exceptions were encountered:
  4.  
  5. In the dependencies for profunctor-optics-0.0.2:
  6. coapplicative must match >=0.0.1 && <0.2, but the stack configuration has no specified version (no package with that name found,
  7. perhaps there is a typo in a package's build-depends or an omission from the stack.yaml packages list?)
  8. needed since profunctor-optics is a build target.
  9.  
  10. In the dependencies for rings-0.1.3:
  11. base-4.9.1.0 from stack configuration does not match >=4.10 && <5.0 (latest matching version is 4.14.0.0)
  12. magmas must match >=0.0.1 && <1.0, but the stack configuration has no specified version (latest matching version is 0.0.1)
  13. needed due to profunctor-optics-0.0.2 -> rings-0.1.3
  14.  
  15. Some different approaches to resolving this:
  16.  
  17. * Build requires unattainable version of base. Since base is a part of GHC, you most likely need to use a different GHC version
  18. with the matching base.
  19.  
  20. Plan construction failed.
  21. box%
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