Cannot open mind map because of invald xml character
my to do list for my job is a mind map. I have updated it every week without problems.
Now I cannot open my last update and I obtain the error message (actually in German):
(3:37652) invald xml character.
I have included a couple of links to Microsoft Outlook. I have use similar links in other mind maps without problems.
What can I do? Is there a possibility to repair the file? Or at least to see the text parts of it with a suitable editor or viewer?
I am grateful for any hint to recover my to do list.