Huh??
Have you changed anything on your Phex configuration phex.cfg? Like maybe the field maxLogFileLength or the field phex.utils.logger.maxFileSize in logging.properties?

The value of the fields define your logging file size, the default is 524288 for 512KB.
You dont need the files and you can just delete them. The content is not important.

If it occures again you can send me an extraction of the file or of the file phex.error.log.

Gregor

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