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Licence key-related error message: "Limited Version in Operation"

Typical message appearing in LUSAS Modeller text output pane on opening a large model:

LUSAS Limited Version in Operation
Number of elements (XXXX) exceeds evaluation limits of 250 - command aborted
Number of points (XXXX) exceeds evaluation limits of 100 - command aborted
PROBLEM TOO LARGE FOR EVALUATION VERSION

Causes & links to solutions 

This error typically has one of the following causes:

For users with dongled, hard disk or ethernet licences:

1. 25-digit licence key typed incorrectly

2. Wrong licence key in use

For users with dongled licences only:

3. Dongle not inserted correctly

4. Sentinel drivers corrupt

5. Dongle has attracted a "time stamp" in the future

6. Parallel port problems

7. Dongle is broken

If you continue to encounter problems after following the instructions linked above, you should carry out a key test and contact LUSAS technical support.