David James wrote:

The attached program declares a direct access file whose elements are PACKED ARRAYS of a PACKED RECORD. The program fails with error #405 when a rewrite is issued for the file. Removing the PACKED from the array declaration makes the error go away. Is this correct behaviour?

It's a GPC bug. Thanks for the report. Frank -- Frank Heckenbach, frank@g-n-u.de, http://fjf.gnu.de/ GPC To-Do list, latest features, fixed bugs: http://agnes.dida.physik.uni-essen.de/~gnu-pascal/todo.html