# Error: exit status 1. (Uart-0 node. Uno R4 Minima)

**URL:** <https://forum.xod.io/t/error-exit-status-1-uart-0-node-uno-r4-minima/6722>\
**Category:** Install/Upload Problems\
**Created:** [December 4, 2023, 1:05pm UTC](https://forum.xod.io/t/error-exit-status-1-uart-0-node-uno-r4-minima/6722 "2023-12-04T13:05:41Z")\
**Posts on this page:** 1\
**Showing post:** 2

<div class="post-metadata">

**Author:** ![gamerse](https://avatars.discourse-cdn.com/v4/letter/g/dfb087/32.png) [@gamerse](https://forum.xod.io/u/gamerse)\
**Post date:** [December 4, 2023, 4:08pm UTC](https://forum.xod.io/t/error-exit-status-1-uart-0-node-uno-r4-minima/6722/2 "2023-12-04T16:08:39Z")

</div>

I have tried to make a very simple code.

Which still fails:

 ![image](https://canada1.discourse-cdn.com/flex027/uploads/xod/original/2X/6/67988e19217e5e447e6671dc9607d0052131473f.png)  
 ![image](https://canada1.discourse-cdn.com/flex027/uploads/xod/original/2X/4/4d3c717d3565320530d6dd10a4ce699c001aed18.png)

The full error messags:  
Begin compiling code for the board Arduino UNO R4 Minima 📦

C:\Users\kp-sp\AppData\Local\Temp\xod\_temp\_sketchbookSQVor2\xod\_1701705940826\_sketch\xod\_1701705940826\_sketch.ino: In member function ‘void xod::xod\_\_gpio\_\_digital\_write::Node\<constant\_input\_PORT\>::evaluate(xod::xod\_\_gpio\_\_digital\_write::Node\<constant\_input\_PORT\>::Context)’:  
C:\Users\kp-sp\AppData\Local\Temp\xod\_temp\_sketchbookSQVor2\xod\_1701705940826\_sketch\xod\_1701705940826\_sketch.ino:1290:48: error: cannot convert ‘const bool’ to ‘PinStatus’ for argument ‘2’ to ‘void digitalWrite(pin\_size\_t, PinStatus)’  
::digitalWrite(constant\_input\_PORT, val);  
^

Error during build: exit status 1

Is Arduino R4 Minima not compatible with XOD?

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_[View the full topic](https://forum.xod.io/t/error-exit-status-1-uart-0-node-uno-r4-minima/6722)._