Package check result: ERROR

Check: CRAN incoming feasibility, Result: NOTE
  Maintainer: ‘Dylan Beaudette <dylan.beaudette@usda.gov>’
  
  Suggests or Enhances not in mainstream repositories:
    sharpshootR

Check: examples, Result: ERROR
  Running examples in ‘aqp-Ex.R’ failed
  The error most likely occurred in:
  
  > base::assign(".ptime", proc.time(), pos = "CheckExEnv")
  > ### Name: colorContrast
  > ### Title: Metrics of Contrast Suitable for Comparing Soil Colors
  > ### Aliases: colorContrast
  > ### Keywords: manip
  > 
  > ### ** Examples
  > 
  > 
  > # keep examples from using more than 2 cores
  > data.table::setDTthreads(Sys.getenv("OMP_THREAD_LIMIT", unset = 2))
  > 
  > # two sets of colors to compare
  > m1 <- c('10YR 6/3', '7.5YR 3/3', '10YR 2/2', '7.5YR 3/4')
  > m2 <- c('5YR 3/4', '7.5YR 4/4', '2.5YR 2/2', '7.5YR 6/3')
  > 
  > # contrast metrics
  > colorContrast(m1, m2)
           m1        m2 dH dV dC      dE00        cc
  1  10YR 6/3   5YR 3/4  2  3  1 31.286374 Prominent
  2 7.5YR 3/3 7.5YR 4/4  0  1  1  9.657423     Faint
  3  10YR 2/2 2.5YR 2/2  3  0  0  6.814101     Faint
  4 7.5YR 3/4 7.5YR 6/3  0  3  1 30.261643  Distinct
  > 
  > # adjacent chips
  > colorContrast('10YR 3/3', '10YR 3/4')
          m1       m2 dH dV dC     dE00    cc
  1 10YR 3/3 10YR 3/4  0  0  1 3.151168 Faint
  > colorContrast('10YR 3/3', '7.5YR 3/3')
          m1        m2 dH dV dC     dE00    cc
  1 10YR 3/3 7.5YR 3/3  1  0  0 3.313277 Faint
  > 
  > # highly contrasting colors
  > # http://colour.granjow.net/fabercastell-polychromos.html
  > colorContrastPlot('10B 4/13', '10YR 10/15',
  + labels = c('helioblue-reddish', 'light cadmium yellow')
  + )
  Error in loadNamespace(x) : there is no package called ‘colorspace’
  Calls: colorContrastPlot ... loadNamespace -> withRestarts -> withOneRestart -> doWithOneRestart
  Execution halted

Check: tests, Result: ERROR
    Running ‘testthat.R’ [24s/23s]
  Running the tests in ‘tests/testthat.R’ failed.
  Complete output:
    > library(testthat)
    > library(aqp)
    This is aqp 2.2
    > 
    > # limit all tests involving data.table 
    > # to 2 threads for CRAN compliance
    > data.table::setDTthreads(Sys.getenv("OMP_THREAD_LIMIT", unset = 2))
    > 
    > # Sys.setenv("_SP_EVOLUTION_STATUS_"=2)
    > test_check("aqp")
    Failed with error:  'there is no package called 'sf''
    Failed with error:  'there is no package called 'sf''
    [ FAIL 2 | WARN 0 | SKIP 23 | PASS 1343 ]
    
    ══ Skipped tests (23) ══════════════════════════════════════════════════════════
    • On CRAN (4): 'test-DT-tbl.R:6:3', 'test-color-signature.R:64:3',
      'test-fix-find-overlap.R:40:3', 'test-fix-find-overlap.R:89:3'
    • {Gmedian} is not installed (5): 'test-L1_profiles.R:7:3',
      'test-SoilProfileCollection-metadata.R:48:3', 'test-colorQuantiles.R:8:3',
      'test-colorQuantiles.R:23:3', 'test-colorQuantiles.R:37:3'
    • {Hmisc} is not installed (2): 'test-slab.R:90:3',
      'test-textureTriangleSummary.R:11:3'
    • {compositions} is not installed (1): 'test-bootstrapSoilTexture.R:11:3'
    • {gower} is not installed (8): 'test-aggregateColor.R:14:3',
      'test-aggregateColor.R:40:3', 'test-aggregateColor.R:48:3',
      'test-aggregateColor.R:78:3', 'test-mixMunsell.R:42:3',
      'test-mixMunsell.R:57:3', 'test-mixMunsell.R:107:3',
      'test-simulateColor.R:12:3'
    • {mpspline2} is not installed (2): 'test-spc2mpspline.R:2:3',
      'test-spc2mpspline.R:51:3'
    • {sf} is not installed (1): 'test-SPC-objects.R:205:3'
    
    ══ Failed tests ════════════════════════════════════════════════════════════════
    ── Error ('test-DT-tbl.R:104:5'): basic functionality of tbl_df ────────────────
    Error: unable to find an inherited method for function 'depths<-' for signature 'object = "NULL"'
    Backtrace:
        ▆
     1. ├─testthat::expect_message(depths(test) <- id ~ top + bottom, c("converting profile IDs from integer to character")) at test-DT-tbl.R:104:5
     2. │ └─testthat:::quasi_capture(enquo(object), label, capture_messages)
     3. │   ├─testthat (local) .capture(...)
     4. │   │ └─base::withCallingHandlers(...)
     5. │   └─rlang::eval_bare(quo_get_expr(.quo), quo_get_env(.quo))
     6. └─aqp::`depths<-`(`*tmp*`, value = `<S3: formula>`)
     7.   └─methods (local) `<fn>`(`<list>`, `<S4: standardGeneric>`, `<env>`)
    ── Error ('test-genhz.R:95:3'): evalGenHZ works as expected ────────────────────
    Error: package `MASS` is required
    Backtrace:
        ▆
     1. └─aqp::evalGenHZ(sp3, genhz = "genhz", vars = "clay") at test-genhz.R:95:3
    
    [ FAIL 2 | WARN 0 | SKIP 23 | PASS 1343 ]
    Error: Test failures
    Execution halted