hey community
i made an app
while testing i got an error " previous value is empty " i searched this in community and nothing found helpful i saw and did many thing but no use . any one can help.
aia =
boss_world.aia (124.3 KB)
When you are getting this error?
You need to create an empty list first, you cannot append when there is no list.
While send message button click
How to do it
please tell
Try to add this blocks and see if it works
but what to do if value was not empty
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