Changes

==== <span id="OldExcelFormatException">Old Excel format</span> ==== <!--T:25-->

* The file was generated in an old Excel version. Try converting the file to a more recent Excel format. See how [[Save File Supported Format]];

== Data Formatting Problems == <!--T:26-->

==== <span id="ColumnNameIsBlankException">Columns with the name in blank</span> ==== <!--T:27-->

* Make sure that in the [[Input Data Format]] screen, any column is blank;