Need Help with CMakeLists

[cobalt trellis]

So as you can see CMake consider as reserver or not valid idon't know what to do...
`CMake Error at CMakeLists.txt:15 (add_executable):
The target name "/home/tiltrawn/Dev/YearCalendarV1/Source/main.cpp" is
reserved or not valid for certain CMake features, such as generator
expressions, and may result in undefined behavior.

-- Configuring incomplete, errors occurred!`

[glass ether]

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[unkempt jetty]

you typo'd.

#tooling message

[cobalt trellis]

!solved