Content is not allowed in prolog.

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jth A
jth A on 27 May 2022
Commented: Walter Roberson on 27 May 2022
When I open the Matlab2022a, it shows the error:
Content is not allowed in prolog.
Could not parse the file: f:\matlab\r2022a\toolbox\ident\ident\info.xml
Unable to load signatures for 'plot'. Failed to parse JSON file 'F:\MATLAB\R2022a\toolbox\ident\ident\resources\liveTasks.json': <unspecified file>(1): expected value
Unable to load signatures for 'plot'. Failed to parse JSON file 'F:\MATLAB\R2022a\toolbox\ident\ident\resources\functionSignatures.json': <unspecified file>(1): expected value
When I change the text content in the editor, for example the alpha in xlabel('\alpha'), it shows the error:
Unable to load signatures for 'plot'. Failed to parse JSON file 'F:\MATLAB\R2022a\toolbox\ident\ident\resources\liveTasks.json': <unspecified file>(1): expected value
Unable to load signatures for 'size'. Failed to parse JSON file 'F:\MATLAB\R2022a\toolbox\ident\ident\resources\liveTasks.json': <unspecified file>(1): expected value
Unable to load signatures for 'numel'. Failed to parse JSON file 'F:\MATLAB\R2022a\toolbox\ident\ident\resources\liveTasks.json': <unspecified file>(1): expected value
How can I solve this problem ?

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