Styles.xml error when upgrading to version 7.1 or 7.2

Good morning,

I have a calc file that is the one I used the most.
When I try to upgrade to version 7.1 or version 7.2 I get and error in styles.xml line 2 column 81890.
This error stop if I install back version 7.0

Now I am using LO and works fine.
I have try installing and and previous versions of 7.1 and 7.2 and always get the same problem.

Any help ?

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