X_MIN' was not declared in this scope; did you mean 'Z_MIN'? · Issue #22674 · MarlinFirmware/Marlin · GitHub
![Getting "not declared in this scope" errors only after build - PlatformIO IDE - PlatformIO Community Getting "not declared in this scope" errors only after build - PlatformIO IDE - PlatformIO Community](https://community.platformio.org/uploads/default/original/3X/a/d/ad349aa5ac810d3af2d2f4c63595a1356e8cf9a9.png)
Getting "not declared in this scope" errors only after build - PlatformIO IDE - PlatformIO Community
![SOLVED] Variable "Not declared in this scope" after declaring in setup() - Programming Questions - Arduino Forum SOLVED] Variable "Not declared in this scope" after declaring in setup() - Programming Questions - Arduino Forum](https://europe1.discourse-cdn.com/arduino/original/4X/6/1/5/615c43454fdd1cc5b85831d51e194de119c7badc.jpeg)
SOLVED] Variable "Not declared in this scope" after declaring in setup() - Programming Questions - Arduino Forum
error: 'TAG' was not declared in this scope (H4P_Timekeeper.cpp) · Issue #4 · philbowles/h4plugins · GitHub
error: 'SPDR' was not declared in this scope in Adafruit GFX · Issue #8 · ElektorLabs/Arduino · GitHub
![BUG] (mks Robin compiling error cs_pin not declared) · Issue #15439 · MarlinFirmware/Marlin · GitHub BUG] (mks Robin compiling error cs_pin not declared) · Issue #15439 · MarlinFirmware/Marlin · GitHub](https://user-images.githubusercontent.com/12665447/66387021-668e3100-e9c3-11e9-940d-15265ffa640a.png)