Error in UseMethod("gather") : no applicable method for 'gather' applied to an object of class "factor" Calls: %>% -> summarise -> group_by -> gather Execution halted

[utpalh]

pipeline.sh file

compare="NSP-SP"

Rscript ${db}/script/compare_stamp.R \
  --input result/otutab.txt --metadata result/metadata.txt \
  --group Group --compare ${compare} --threshold 0.1 \
  --method "t.test" --pvalue 0.05 --fdr "none" \
  --width 189 --height 159 \
  --output result/stamp/${compare}
  
                  #       output
                  #        9 
                  #     NSP1     NSP2     NSP3     NSP4     NSP5      SP1      SP2      SP3 
                  # 87.76123 92.04876 95.23562 93.24942 93.14364 89.66851 91.11344 90.94894 
                  #      SP4 
                  # 95.62645 
                  # idx
                  # TRUE 
                  #    9 
                  #       Error in UseMethod("gather") : 
                  #   no applicable method for 'gather' applied to an object of class "factor"
                  # Calls: %>% -> summarise -> group_by -> gather
                  # Execution halted