Hi there,
Season’s Greetings. 
SO , can you show you PlatformIO.ini file contents ?
Also have you done a clean build first?
How did you setup your build environment?
HTH
GL 
PJ 
Hi there,
Season’s Greetings.
SO , can you show you PlatformIO.ini file contents ?
Also have you done a clean build first?
How did you setup your build environment?
HTH
GL PJ