NotPossibleSplitError: SSML tag appeared to be too long

[RaySugar]

Hi, I'm using your ssml split library. Unfortunately I get the message "NotPossibleSplitError: SSML tag appeared to be too long" if I use the attached ssml.
Can you help me please?
A thousand thanks.
ssml.txt

Stacktrace:
NotPossibleSplitError: SSML tag appeared to be too long.
at c:\Work\Projects\NodeJs\google-text-to-speech\node_modules\ssml-split\dist\index.js:99:23
at Array.forEach ()
at SSMLSplit.split (c:\Work\Projects\NodeJs\google-text-to-speech\node_modules\ssml-split\dist\index.js:71:28)