You try to convert a file and you get an error like
The xml parser failed to load a required resource (e.g., voice, phoneconverter, etc.).
Please contact firstname.lastname@example.org for help with this problem
This problem is almost always related to a special tag in the text that is causing a problem. SAPI5 allows specifying special instructions to voices which can do things like set volume and speed, or specify voice changes. These tags typically begin with
for example a voice change tag might be like
<voice required="name = Microsoft Anna">
The XML Parser error is indicating that SAPI sees a
character, but what follows isn't a valid instruction. This could mean you simply have one or more stray
< characters you may need to remove, or that you have an actual voice change tag that points to an invalid voice or has a typo in it.