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--- re-building ‘TutorialdynRB.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) not available. Falling back to R Markdown v1.
Loading required package: permute
Loading required package: lattice
This is vegan 2.5-7
'nperm' >= set of all permutations: complete enumeration.
Set of permutations < 'minperm'. Generating entire set.
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Quitting from lines 134-143 (TutorialdynRB.Rmd) 
Error: processing vignette 'TutorialdynRB.Rmd' failed with diagnostics:
polygon edge not found
--- failed re-building ‘TutorialdynRB.Rmd’

SUMMARY: processing the following file failed:
  ‘TutorialdynRB.Rmd’

Error: Vignette re-building failed.
Execution halted