validating epub fails - how do I correct?
when I go to validate my epub (created with Scrivener, edited in Sigil) I get the following errors, and I have no idea what they mean or how to correct them. Help?
WARNING OEBPS/toc.ncx - - meta@dtb:uid content '3fab09d2-6f70-44d8-80c4-4ebfcca8d9ba' should conform to unique-identifier in content.opf: 'urn:uuid:3fab09d2-6f70-44d8-80c4-4ebfcca8d9ba'
ERROR OEBPS/toc.ncx 24 44 assertion failed: playOrder sequence has gaps
ERROR OEBPS/Text/contents.xhtml 13 105 non-standard stylesheet resource 'OEBPS/Misc/page-template.xpgt' of type 'application/adobe-page-template+xml'. A fallback must be specified.
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