Have you used any formatting for this label? Justification only works for normal labels. Any formatting of it, e.g. with a background gradient, frames, roundings will cause an error.
No issue with that. Post the aia.
Problem is caused because label's width is set to automatic, works with no errors if set to 95%
justify_label.aia (35.7 KB)
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Btw, from your text:
"... day of the Greek national poet Dionysios Solomos, who wrote the Greek national anthem, titled ”Hymn to Liberty” (Ύμνος εις την Ελευθερίαν).The main aim of the recent initiative was to celebrate the vital, fundamental role played by the Greek language in the shaping of Western civilization throughout the centuries."
I completely agree! By the way, I had ancient Greek in school for 6 years.
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This extension is exactly what I was looking for! Can you make the same thing, but for images, or maybe other components. I just want to overlay text and images on other images, it was impossible before I found this extension.
it does not work for me! do we have to do something to activate it?
It would really help if you provided a screenshot of your relevant blocks, so we can see what you are trying to do, and where the problem may be.
To get an image of your blocks, right click in the Blocks Editor and select "Download Blocks as Image". You might want to use an image editor to crop etc. if required. Then post it here in the community.
Taifun
Trying to push the limits! Snippets, Tutorials and Extensions from Pura Vida Apps by 
Taifun.
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whats the text?
awesome and very useful and powerful extension
thank you so much 
I want to ask question , what method shall i use if i want to highlight certain text in a label
" like for example this label "
only these two words i need them to be already highlighted ?
thank you.
Else, CustomFont not work in ai2_Offline, only ai2_Online Companion. Fix 
upd. Solved/
Try APK, should work.
This extension is excellent. I wish I had seen it earlier. It helped me a lot, thank you very much for your sharing and effort.
Edit;
What exactly is the logic of this? The content of the Tag is "Test\nTest1\n", it doesn't work when I write "Test Test1" in the textToBullet. It works when I make 2 Separate blocks as "Test" "Test1".
How should we enter the "start" "length" parts? I tried a few things but I could only mark the first line. I was not successful in marking other lines.
The content of the tag I use is like this;
Tuza İlgi\nKas Zayıflığı\nHipoglisermi\n
Extension updated, along with helpers blocks.
Yes, something must have gone wrong with an update. I'll look into that.
I didn't realize AppInventor changed the path to Assets in companion.
V10 available
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