Linking Error After Update (NodeMCU)

after updating PIO and ESP8266 platform, i’m experiencing an error in a previously working Project upon linking.

collect2.exe: error: ld returned 1 exit status
*** [.pioenvs\nodemcuv2\firmware.elf] Error 1

multipile warnings are generated also…

Try to run “Clean” and build again. Do you use the latest dev/platform?

i’ve figured out another solution

just removed all the libraries and re-installed them again, everything worked fine but it’s the uploaded code generates unusual o/p.
discussed in this thread

honestly i haven’t yet figured what exactly caused the problem. :thinking:

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