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Typical error message found in the LUSAS Solver text output file (*.OUT):

***DATABASE ERROR*** ERROR DURING I/O , IOSTAT= 404


Causes & links to solutions 

This means "delete illegal for read-only file".  It is typically a result of running in a Windows system directory or a network area where the user does not have full read/ write permission.  There are several possible causes of the error, suitable solutions being listed below:

  1. Check the location of your model and *.DAT files
  2. Relocate LUSAS temporary files

Still encountering problems?  Try the database error checklist


More on where to store your model and *.DAT files


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