What is this L6971E error? and how to solve it?

I am developing a application and and after trying to build I am getting this error: L6971E: system_stm32f0xx.o(.data) type RW incompatible with main.o(.ARM.__AT_0x20000000) type ZI in er RW_IRAM1. How do i solve it? and what this error indicates?

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