No problem, errors happen. I have seen inconsistant behaviour between LT-server, LT-standalone and LT-LibreOffice before, and there is even a bug I filed related to it. Sentence segmentation method is different.
I have looked into the code already regarding that, but that is an issue that requires more time to solve than what I am willing to spend on it, at the moment.
If the error is too specific, try to just delete the segment and rewrite. Nothing can be done regarding special characters or special formats, specially on LO. For example: