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By RafaDom
#90173 I have this problem as well.
I am building the firmware through the Custom Builds website (
Using all default libraries + U8G2
I'm able to upload the firmware generated without any problems.
Then just add a simple Lua example (ESPlorer) and the compiling fails.

attempt to call field 'ssd1306_i2c_128x64_noname' (a nil value)

I've flashed just the loader firmware all fine.
Then reload the custom one, and same error.
As a side note, I've built many other projects in Lua/ESPlorer with success, is just this U8G2 library I can't get to work.