# Help with NSInvalidArgumentException

**URL:** <https://forums.realmacsoftware.com/t/help-with-nsinvalidargumentexception/25624>\
**Category:** RapidWeaver Classic\
**Created:** [March 7, 2019, 1:17am UTC](https://forums.realmacsoftware.com/t/help-with-nsinvalidargumentexception/25624 "2019-03-07T01:17:38Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![NeilUK](https://dub1.discourse-cdn.com/flex005/user_avatar/forums.realmacsoftware.com/neiluk/32/23434_2.png) [@NeilUK](https://forums.realmacsoftware.com/u/NeilUK)\
**Post date:** [March 7, 2019, 6:51am UTC](https://forums.realmacsoftware.com/t/help-with-nsinvalidargumentexception/25624/2 "2019-03-07T06:51:11Z")

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It could be a plugin that needs updating. Are you using the SiteMap plugin?

There’s also this thread which might help [NSInvalidArgumentException Error Message](http://forums.realmacsoftware.com/t/nsinvalidargumentexception-error-message/24414)

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_[View the full topic](https://forums.realmacsoftware.com/t/help-with-nsinvalidargumentexception/25624)._