Hi all,

Would you please tell me how to fix the error below? Thank you so much!

Update: I fixed the error. Thank you.

my_obj <- findmarkergene(object = my_obj, species = "Human", marker = cellmatch, tissue = "Blood")

There are 1255 potential marker genes in CellMatch database for Human on Blood.
Error in $<-.data.frame(*tmp*, "cluster", value = character(0)) : replacement has 0 rows, data has 979 

sessionInfo( )

R version 4.2.1 (2022-06-23)
Platform: x86_64-apple-darwin17.0 (64-bit)
Running under: macOS Monterey 12.1

Matrix products: default
LAPACK: /Library/Frameworks/R.framework/Versions/4.2/Resources/lib/libRlapack.dylib

locale:
[1] en_US.UTF-8/en_US.UTF-8/en_US.UTF-8/C/en_US.UTF-8/en_US.UTF-8

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base     

loaded via a namespace (and not attached):
 [1] BiocManager_1.30.18 compiler_4.2.1      fastmap_1.1.0       cli_3.4.0           htmltools_0.5.3    
 [6] tools_4.2.1         rstudioapi_0.14     yaml_2.3.5          rmarkdown_2.16      knitr_1.40         
[11] xfun_0.32           digest_0.6.29       rlang_1.0.5         evaluate_0.16

This support site is intended to help people who have problems with Bioconductor packages, and scCATCH is not a Bioconductor package. You might try biostars.org or stackoverflow.com, or simply r-help@r-project.org.