Hy, please I need help
when I want to choose: LinesFromGridUVandEdge shows a warning…I tried everything 
You can see in the image…
Not quite everything 
The warning spells out what you need to do.
Double click on the custom node to start editing it. Find the input in a warning state in the custom node, and edit the input name to a compliant name (usually by adding a prefix, or changing the casing so the first letter is lower case). Then save the node and close it.
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OMG thank you so so much, I didn’t know that because I’am still learing Dynamo and your answer saved my day from thinking whats wrong 
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