I can't type /function a:b in game where a is a folder in functions folder and b is b.mcfunction file in a folder, game outputs "Unknown function 'minecraft:b'".
Additional info:
-files aren't empty, they're filled with commands tested on commandblocks
-files are written without / are propertly loaded by minecraft as seen in game output
-game sees those functions, as they're accesable via tab-autofilling
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However, this issue has been closed as a Duplicate of MC-91245.
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