Seems you got many adodns which modify titles of users
Maybe inform the addon devs of the named addons about the error message, but the most obvious error happened at teh end of the call stack within ESOMasterRecipeList, file SetupPreFrames line 705.
Should be mentioned at this addon then.
That's the same general error that I got (reported under ESOMRL), and all of my addons were up to date - (and all separate instances of LibCustomTitles were properly removed). What fixed the problem for me was uninstalling and reinstalling both LibPhinixFunctions and ESO Master Recipe List...