Bug? [workaround] (B4A/B4J) "The given key was not present in the dictionary" - aeric    
Jun 4, 2026Today I found a weird situation when I tried to open my MiniORMUtils project.
I am getting the error:
An error occured.
Error loading file.
The given key was not present in the
dictionary.
I am...
link: I've tried the correct way but still have the same 'error' issue in the Log. However, th...
link: Correct Way => File Menu->Open (Then select the Bal File)
This will give you layout files
Wr...
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The Bal Files, Open the Designer and Add it through there
I've tried that but the Open Files d...
B4A Question Given key was not present in the dictionary. - taylorw    
Apr 8, 2018Hello all, i got a big issue just now my pc stuck so i turn off my pc with the on/off button.
When i...
link: Looks like the file is damaged.
That's true. The file content is lost....
link: Wow!Cool, that is what i need, thanks for this information DonManfred....
link: http://snapshots.basic4android.de/backup054.png
once in a month i do (automatically) a FULL Backup....
B4A Question "The given key was not present in the dictionary" error - Alain75 (first post)    
Jun 8, 2026Hum, if I well remember the time I got this, I declared manually a data with a different type that i...
link: Check my workaround:
https://www.b4x.com/android/forum/threads/workaround-b4a-b4j-the-given-key...
link:
I am not sure this is due to memory leak in your OS or you are using AI to edit the file outside th...
link:
I do that. But thank you for the tip. Unless I'm blind, I don't see a problem with the belo...
Bug? [solved] The given key was not present in the dictionary - svanneste    
Sep 28, 2020 the B4XPages, three pages and a canvas where we draw random colors), I got the error : the given key was not present in the dictionary. Attached a screenshot.
100665
I was not doing anything, just...
link: Wow. I have the same problem - greatly relieved to hear a fix is coming. Thank you!
JMB...
link: The version with the fix hasn't been released it....
link: Hi Erel
I have the latest B4A v.10.02 and today I had the same error message..
103367...
Bug? given key was not present in the dictionary (Solved). - jvrh_1 (first post)    
Aug 26, 2024   
(1 reaction)/forum/threads/key-was-not-present.159548/post-987250...
link:
Entonces, tal vez @Erel pueda ayudar aquí.
Lo único "extraño" que veo es que has configu...
link: @josejad is right.
You should NOT use the internal libraryfolder for additional libraries....
link: So, maybe @Erel can help here.
The only "strange" thing I see is you have set the "A...
B4A Question key dictionary - bobbruns (first post)    
Apr 11, 2013bad memory
This error occurred with my when my computer crashed (blue screen) during compile.
All work was lost and I had to reve...
link: Please contact [email protected]. This error is usually related to a license problem....
link: ), an error occurs with the message "The given key was not present in the dictionary."
...
B4A Question Error: The given key was not present in the dictionary - Erel (first post)    
Jan 30, 2024
I think that the problem arose from the name I gave to a page ("ErrorMessage")
That'...
link: Hello Mr Erel,
I deleted this project and starting from a back up. I did not receive the same error...
link: Can you upload the project?...
link: I get the same error again.....
Bug? Error loading file. Given key was not present in the dictionary. - Computersmith64    
Aug 14, 2017Had this issue today after several weeks of working on a new project. The exact events leading up to it are a little hazy however it ...
link: wondering if more descriptive error messages would help. Like "Error loading . The key...
link: Given the number of times this issue has been reported over the past 5+ years & the potentially disastrous nature of it, I'm ...
B4A Question The given key was not present in the dictionary - Erel (first post)    
Jun 26, 2023Check the b4a file with a text editor. It might be corrupt....
link: Try: Tools->Clean Project, then compile it again...
link: Hello.
I'm trying to open B4A but I keep getting this message
143209...
link: I could not fix it.
I retrieved the last backup....
B4i Question Error 'given key was not present in the dictionary' - klaus    
Nov 2, 2014When I try to compile the attached project I get a 'given key was not present in the dictionary' error.
i don't remember what exactly I have done to get it.
I remember having added...
link: Please start a new thread and explain which save error do you get....
link: I am getting the save error but I get it when I try to load my project. See below.
37231...
link: Thank you Erel.
This kind of mistakes is frustrating :)....
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