this function transforms an error log into an error message.
generateError(error.log, warning.log, line.break = "\n ")
a data.frame with following fields:
sheet
: character, the sheet name.
row
: integer, the row position.
column
: integer, the column position.
message
: character, the error message.
a data.frame similar to error.log
.
a character value, separation between error messages.
a character value, the corresponding error message.