Error in OptimizeNormal (line 93)

[ChessQian]

Hi, when I use the command to run the example, it encounters a problem ,the error is that:
` ./bin/gt -i fig9.globfit
Optimize Normal...
Error using fmincon (line 241)
You must provide a non-empty starting point.

Error in OptimizeNormal (line 93)
[outputParameters, exitFittingError, exitFlag] = fmincon(fobj, inputParameters,
[], [], [], [], [], [], fcon, options);

Error using save
Variable 'outputParameters' not found.

Segmentation fault (core dumped)`
So how can I solve this problem?

[zibozzb]

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