What does this error mean ✘ [ERROR] Cannot read properties of undefined (reading 'map')?

I get this error when trying to compile my angular application Angular CLI application: 19.2.8 Node: 22.14.0 Package Manager: bun 1.1.45 OS: darwin arm64 But I get the error ✘ [ERROR] Cannot read properties of undefined (reading 'map') and that's it.

I've already checked which files I use the map function in and declared it empty, but it still doesn't work. Please help.

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