The Documentation.docx file is said to be corrupted
when downloading from Gitlab. Fix attempt:
Open with Word > Save as > Overwrite existing.

fixed 
###check if workbook with variable definitions and metadata already present in processed and make sure not overwritten
by:
exist.wb= data.list.proc[which(data.list.proc==paste(wb.name,"_metadata.xlsx",sep=""))]

added 2. to ouputs

put \\ before ".R"

This can be used to test the master script, just put the script and data file in the same directory