Bad arguments to select list item?

anyone can help me, im newbie

please explain what exactly should happen, if that value for the key "feeds" was not found?

Hello Ihsan_Zuhdi

Welcome to the Forum :grin:

We can't read your Blocks from the photograph. Here is how to do it:
Right-mouse in the Blocks work area and select "Download Blocks as image". This produces a png file that is zoomable in the Forum Viewer.

.... changing your Forum Topic Title to match the issue:

Bad arguments to select list item

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Export your .aia file and upload it here.