Bad list argument to foreach

[Gabriel_Aguiar1 (Gabriel Aguiar)]

[Chocoduba_BR (Gabriel Andrade)]

Please provide screenshots of your blocks.
Also, please look at this:

How to ask a question?

Asking questions To improve the chance of getting help on the forum please follow these recommendations when posting a question: Do your homework first Search for similar questions/answers on the forum. Try forum search and also Google your problem. Try to solve the problem yourself, and describe what you have tried. It is much more rewarding to help someone who has tried himself first. Post in the right categorie, post only once and do not steal topics Make sure that you post your question …

[Gabriel_Aguiar1 (Gabriel Aguiar)]

im receiving this error on start

[deanart2012 (Dean Artis)]

Please show your relevant blocks.

[Gabriel_Aguiar1 (Gabriel Aguiar)]

login screen(no errors here)

main screen(error here)

[Ded_Sec_00 (David)]

The error is pointing to Screen2 > Tag List > For Each.

Why are you setting Value to Value?
Delete that step and try again.

Maybe upload or DM your Aia.

[Still-learning (1-2-3-4...)]

Move the add element below to the global variable

[Gabriel_Aguiar1 (Gabriel Aguiar)]

where is value to value?

[dora_paz (Dora)]

Did you try suggestion by @Still-learning ?

[dora_paz (Dora)]

If not working post aia here so someone could help

[Gabriel_Aguiar1 (Gabriel Aguiar)]

dont work

ATTENTION
change file extension to aia instead zip(my phone download all as zip)
Instadrugs.aia.zip (1.0 MB)

[Gabriel_Aguiar1 (Gabriel Aguiar)]

see latest reply

[Gabriel_Aguiar1 (Gabriel Aguiar)]

Bad list argument to foreach

dont work [Screenshot_20211025-073237] ATTENTION change file extension to aia instead zip(my phone download all as zip) Instadrugs.aia.zip (1.0 MB)

[Still-learning (1-2-3-4...)]

Can you able to see the reason for your error? ,That previous error is no more

[Gabriel_Aguiar1 (Gabriel Aguiar)]

Sorry i don’t got it

[Still-learning (1-2-3-4...)]

Remove the number block from the screen init. Actually what does it mean??? See the first screenshot from the previous post, i removed the global variable and got working without problem

[Gabriel_Aguiar1 (Gabriel Aguiar)]

thanks.
this works

[Gabriel_Aguiar1 (Gabriel Aguiar)]

after this change messages is not saved at firebase database

[Still-learning (1-2-3-4...)]

Just now i see that that block belongs too collintree, if so before adding elements you are trying to call the index, so that it happens… now adjust like this, you will see the number
.
Always try to setup blocks there by they get trigger one by one… or one after another to get trigger