Data section exceeds available space in board


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C:
Arduino:1.8.12 (Windows 10), Development board: "Arduino Uno"

The project uses 6336 bytes, which occupies (19%) of the program storage space. The maximum is 32256 bytes. data section exceeds available space in board

Global variables used 3046 bytes, (148%) of dynamic memory, leaving -998 bytes for local variables. The maximum is 2048 bytes.
There is not enough memory; visit the following URL to follow the instructions to reduce memory usage.
http://www.arduino.cc/en/Guide/Troubleshooting#size
Error while compiling for development board Arduino Uno.

Turn on in File -> Preferences
"Show detailed output during compilation" option
This report will contain more information.
 
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Joined
Mar 3, 2021
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Hard to say without seeing the code, but it sounds like you've got large, global arrays or matrices taking up a lot of space.
 

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