[R-pkg-devel] NOTE for a suggested package

I'm struggling to stop receiving a NOTE about a suggested package, and
it
seems to be the problem for many people. Your help is really
appreciated.

In the function, I have:

if(requireNamespace("doParallel", quietly=TRUE))
{
  library("doParallel")
  cl = parallel::makeCluster(ncl)
  doParallel::registerDoParallel(cl)
  Q = foreach(i=ggID, .combine='cbind') %dopar% ## do something
} else {
  ## do something else
}

In DESCRIPTION, I have:

Suggests:
  doParallel (>= 1.0.14)

This is the NOTE that I receive:

'library' or 'require' call to 'doParallel' in package code.
Please use :: or requireNamespace() instead.
See section 'Suggested packages' in the 'Writing R Extensions' manual.

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