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Typical error message found in the LUSAS Solver text output file (*.OUT):
***DATABASE ERROR*** ERROR
DURING I/O , IOSTAT= 30
***DATABASE ERROR*** ERROR
DURING I/O , IOSTAT= 37
Causes & links to solutions
This means that an Open Failure occurred whilst attempting to
open a file (typically the Modeller results file). This message is
issued when the error condition is not one of the more common
conditions for which specific error messages are provided. It is
typically a result of one or more of the following:
- File being solved over
a network connection. Save the file in a suitable
location
- File name is not
valid
- Full file/ path name too long. There is a limit to the number of
characters permitted. The remedy is to reduce the number
of subdirectories as well as the length of the file name itself.
- Insufficient privileges to write files to the disk. Save
the file in a folder which is available to all users as read/
write access (i.e. do not use personal profile areas or
administrator-only folders). Try running the analysis
logged in as "administrator"
- The file may be locked by another application. This can occur
with some backup programs and has also been known to occur with
anti-virus checkers. Close other applications
- The results file from a previous analysis is still open in
Modeller when Solver attempts to write a new results file.
Close the results file in Modeller before running the analysis.
- For a multi-step analysis such as nonlinear or dynamic, the
results file has been closed by Modeller, but Solver does not
recognise that the file has been released. This causes a file
violation error when solver tries to write a new set of results.
This would be the result of a corruption of the file during the
analysis because of network problems. If this is the case it
will be remedied by running the analysis again.
Still
encountering problems? Try the
database error checklist
More on where to store
your model and *.DAT files
More on where to
locate temporary files
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