# Unable to publish after renaming ambiguous material parameter - verse color error.

**URL:** <https://forums.unrealengine.com/t/unable-to-publish-after-renaming-ambiguous-material-parameter-verse-color-error/1985381>\
**Category:** Issues and Bug Reporting\
**Tags:** fortnite-creative, unreal-editor-for-fortnite, fortnite\
**Created:** [August 21, 2024, 1:33am UTC](https://forums.unrealengine.com/t/unable-to-publish-after-renaming-ambiguous-material-parameter-verse-color-error/1985381 "2024-08-21T01:33:38Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![Jimbohalo10](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/jimbohalo10/32/961440_2.png) [@Jimbohalo10](https://forums.unrealengine.com/u/Jimbohalo10)\
**Post date:** [August 21, 2024, 6:53am UTC](https://forums.unrealengine.com/t/unable-to-publish-after-renaming-ambiguous-material-parameter-verse-color-error/1985381/2 "2024-08-21T06:53:42Z")

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hi @chefenmaps ,  
Possibly the answer to Verse Persistence problems were cleared in this post  
[Verse Persistence incompatible without editing the verse file that contains it](https://forums.unrealengine.com/t/verse-persistence-incompatible-without-editing-the-verse-file-that-contains-it/1956674/2)

and documentation  
[Using Persistable Data in Verse | Unreal Editor for Fortnite Documentation](https://dev.epicgames.com/documentation/en-us/uefn/using-persistable-data-in-verse)

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