So I noticed this in my FrameXML.log

8/19 12:29:06.408 Loading add-on BagBrother

8/19 12:29:06.408 ** Loading table of contents Interface\AddOns\BagBrother\BagBrother.toc
8/19 12:29:06.408 Error loading Interface\AddOns\BagBrother\Tests.lua
8/19 12:29:06.408 Loading add-on Bagnon
8/19 12:29:06.408 ** Loading table of contents Interface\AddOns\Bagnon\Bagnon.toc
8/19 12:29:06.408 ++ Loading file Interface\AddOns\Bagnon\libs\libs.xml
8/19 12:29:06.408 ++ Loading file Interface\AddOns\Bagnon\libs\LibItemCache-1.1\LibItemCache-1.1.xml
8/19 12:29:06.408 Error loading Interface\AddOns\Bagnon\libs\LibItemCache-1.1\Tests.lua
8/19 12:29:06.408 Error loading Interface\AddOns\Bagnon\libs\LibItemCache-1.1\Caches\BagBrotherTests.lua

Seems you have some references in various toc and xml files to files that do not exist in the addon folders.

Known and intentional