misnested

mis- +‎ nested

misnested (not comparable)

1. (computing) Of source code or markup: incorrectly nested.
   • 1998, Jeff Frentzen, ‎Henry Sobotka, ‎Dewayne McNair, JavaScript Annotated Archives (page 28)

     […] but it also reduces the likelihood of the "unterminated string literal" error message that can easily occur for seemingly trivial reasons when you're working with long strings — an accidental carriage return or a misnested quotation mark is all it takes.

   • 2000, "Simon Brooke", Any chance of Site feedback (on newsgroup comp.infosystems.www.authoring.html)

     Netscape is of course pretty buggy, but it generally handles nested tables OK so I suspect your problem is misnested or unclosed table tags […]

• Edmistens, sedentism, sediments