Improved error message in fread on trying with 'fill=TRUE' if line has more columns than guessed.
Improved error message in fread on trying with 'fill=TRUE' if line has more columns than guessed.

Rdatatable/data.table,Rdatatable/data.table,jangorecki/data.table,vlulla/data.table,jangorecki/data.table,vlulla/data.table,jangorecki/data.table,vlulla/data.table,Rdatatable/data.table,Rdatatable/data.table,vlulla/data.table,jangorecki/data.table