What is the remedy (is there a simple remedy?)  if “ghc-pkg check” reports something amiss?

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C:\Users>ghc-pkg check

There are problems in package hoogle-4.2.6:

  dependency "blaze-builder-0.3.0.1-157e8a92bc5ef27895f938613ecfdcb1" doesn't exist

There are problems in package warp-0.4.3:

  dependency "blaze-builder-0.3.0.1-157e8a92bc5ef27895f938613ecfdcb1" doesn't exist

There are problems in package wai-0.4.1:

  dependency "blaze-builder-0.3.0.1-157e8a92bc5ef27895f938613ecfdcb1" doesn't exist

There are problems in package http-types-0.6.5.1:

  dependency "blaze-builder-0.3.0.1-157e8a92bc5ef27895f938613ecfdcb1" doesn't exist

There are problems in package case-insensitive-0.3.0.1:

  dependency "hashable-1.1.2.1-25dfe4e720b096d06d0cf57f76c49caf" doesn't exist

There are problems in package blaze-builder-enumerator-0.2.0.2:

  dependency "blaze-builder-0.3.0.1-157e8a92bc5ef27895f938613ecfdcb1" doesn't exist

There are problems in package scion-0.1.0.9:

  dependency "AttoJson-0.5.10-4932e72997280d8c2e35b4aca3328284" doesn't exist

The following packages are broken, either because they have a problem

listed above, or because they depend on a broken package.

hoogle-4.2.6

warp-0.4.3

wai-0.4.1

http-types-0.6.5.1

case-insensitive-0.3.0.1

blaze-builder-enumerator-0.2.0.2

scion-0.1.0.9