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Just like anywhere else users will make mistakes in specifying Gdxxrw input. Such mistakes cause error messages in the log file or process window. Several procedures are appropriate when debugging a set of instructions
| • | When a new Gdxxrw is being set up users should use a trace value of 2 and then examine the log file or process window contents to make sure proper actions are being pursued. |
| • | Start simple just getting one or two objects, not all that might be desired and work your way up. |
| • | Note that when Gdxxrw encounters errors and is reading it does not generate a proper GDX file and subsequent procedures using that file may encounter errors. |
| • | Be careful in only specifying upper left-hand corners of ranges |
| — | When reading always use this with a setting of skipempty=0. |
| — | When writing recognize the program will clear the entire sheet to the right and below the corner. |
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