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Got the RGBLCDShield working ok, but having problems with migrating the Keypad_MC17 library, which is used to interface Keypads via the MCP23017. I get the strange message "Unknown error": Preprocessing file: /var/folders/vw/4dbt13s178163k4kvrch0lt40000gn/T/build1926746325090264338.tmp/ZUN...

Thanks - works perfectly. Casper

Hi, I am trying to adapt the Adafruit_RGBLCDShield library to work with the Z-Uno, using the ZUNO_MCP23017 library (which seems to be based on the Adafruit one). However, I get the following error when compiling: Compiling file "/var/folders/vw/4dbt13s178163k4kvrch0lt40000gn/T/build509803355726...