available_rna_seq_workflow returns NULL

[robin073]

available_rnaseq_workflows()
NULL

sessionInfo()
R version 3.5.1 (2018-07-02)
Platform: x86_64-w64-mingw32/x64 (64-bit)
Running under: Windows >= 8 x64 (build 9200)

Matrix products: default

locale:
[1] LC_COLLATE=English_United States.1252 LC_CTYPE=English_United States.1252
[3] LC_MONETARY=English_United States.1252 LC_NUMERIC=C
[5] LC_TIME=English_United States.1252

attached base packages:
[1] tools stats4 parallel stats graphics grDevices utils datasets
[9] methods base

other attached packages:
[1] SummarizedExperiment_1.10.1 DelayedArray_0.6.5 BiocParallel_1.14.2
[4] matrixStats_0.54.0 GenomicDataCommons_1.4.1 ArrayExpress_1.40.0
[7] affyio_1.50.0 xml2_1.2.0 XML_3.98-1.16
[10] stringr_1.3.1 ShrinkCovMat_1.2.0 sem_3.1-9
[13] reshape2_1.4.3 readr_1.1.1 Rcpp_0.12.18
[16] R6_2.2.2 psych_1.8.4 pryr_0.1.4
[19] PRROC_1.3.1 pracma_2.1.5 pcaPP_1.9-73
[22] mvtnorm_1.0-8 moments_0.14 microbenchmark_1.4-4
[25] magrittr_1.5 lazyeval_0.2.1 jsonlite_1.5
[28] httr_1.3.1 hashmap_0.2.2 GPArotation_2014.11-1
[31] ggplot2_3.0.0 GenomicRanges_1.32.6 GenomeInfoDb_1.16.0
[34] IRanges_2.14.11 S4Vectors_0.18.3 dplyr_0.7.6
[37] data.table_1.11.4 curl_3.2 bigmemory_4.5.33
[40] BiocInstaller_1.30.0 affy_1.54.0 Biobase_2.40.0
[43] BiocGenerics_0.26.0

loaded via a namespace (and not attached):
[1] nlme_3.1-137 bitops_1.0-6 bit64_0.9-7
[4] mi_1.0 DBI_1.0.0 colorspace_1.3-2
[7] withr_2.1.2 tidyselect_0.2.4 mnormt_1.5-5
[10] bit_1.1-14 compiler_3.5.1 preprocessCore_1.42.0
[13] scales_1.0.0 rappdirs_0.3.1 digest_0.6.16
[16] foreign_0.8-71 minqa_1.2.4 XVector_0.20.0
[19] pkgconfig_2.0.2 lme4_1.1-18-1 limma_3.36.3
[22] rlang_0.2.2 RSQLite_2.1.1 rstudioapi_0.7
[25] bindr_0.1.1 RCurl_1.95-4.11 GenomeInfoDbData_1.1.0
[28] Matrix_1.2-14 oligoClasses_1.42.0 munsell_0.5.0
[31] abind_1.4-5 stringi_1.2.4 yaml_2.2.0
[34] oligo_1.44.0 MASS_7.3-50 zlibbioc_1.26.0
[37] plyr_1.8.4 blob_1.1.1 matrixcalc_1.0-3
[40] grid_3.5.1 affxparser_1.52.0 bigmemory.sri_0.1.3
[43] crayon_1.3.4 lattice_0.20-35 Biostrings_2.48.0
[46] splines_3.5.1 hms_0.4.2 pillar_1.3.0
[49] boot_1.3-20 codetools_0.2-15 glue_1.3.0
[52] nloptr_1.0.4 foreach_1.4.4 gtable_0.2.0
[55] purrr_0.2.5 assertthat_0.2.0 ff_2.2-14
[58] coda_0.19-1 tibble_1.4.2 arm_1.10-1
[61] iterators_1.0.10 memoise_1.1.0 bindrcpp_0.2.2