Generating multiple R Markdown reports into zip file

I'm getting the following error when attempting to dynamically generate r markdown reports via a for loop, and compressing it into a single zip file to be downloaded.

Here's a snippet of my code:

output$downloadData <- downloadHandler(
    filename = function() {
      paste0("output", ".zip")
    content = function(file) {
      myData <- someVector 
      fs <- c()
      withProgress(message = "Generating Report", detail = "This may take awhile...", value = 0, {
        for (i in myData) {
          path <- paste0(i, ".docx")
          params <- list(a = something, b = something, c = something) # some params
          rmarkdown::render("test.rmd", rmarkdown::word_document(), 
                                         params = params, output_file = path)
          fs <- c(fs, path)
        zip(file, fs)
    contentType = "application/zip"

and here's the error that I am getting:

Warning in if (!file_test("-d", dirname(name))) dir.create(dirname(name),  :
  the condition has length > 1 and only the first element will be used
Quitting from lines 30-46 (test.rmd) 

Warning: Error in dir.create: invalid 'path' argument
  [No stack trace available]

Tried to uncomment the entire chunk I have in my test.rmd file, but then I get the following error:

Warning in if (nzchar(file_ext)) paste(".", file_ext, sep = "") else "" :
  the condition has length > 1 and only the first element will be used

pandoc: pandocd4b2c86ff4f.docx: openBinaryFile: does not exist (No such file or directory)
Warning: Error in : pandoc document conversion failed with error 1
  [No stack trace available]

Not sure what's the issue with this, appreciate any help here!

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