I ran into this issue using CMSIS v2. Try the solutions here: https://community.st.com/s/question/0D53W0000057Ywf/undefined-reference-to-osmessagegetput-from-cmsisosh-stm32cubeide?t=1590991691874

I ran into this issue using CMSIS v2. I think there are 2 solutions: Change to CMSIS v1 (using CubeMX - Go to System view, select FREERTOS, and inside Config parameters change FreeRTOS API to CMSIS v1) (I did not test this as my application will use ...