Whereas lulu.com is being preferred by self-published authors of ebooks, it may put them in trouble as well especially when they submit an epub file, which is not formatted as per the epub publishing guidelines of lulu.com. And, such epubs often results in the ERROR: IOException: Unresolved external XML entity: 'http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd' in OEBPS/Text/Section0002.xhtml Note: Section0002.xhtml [...]The post Resolving ERROR: IOException: Unresolved external XML entity appeared first on Vanzzsolutions.com.
