/Library/Frameworks/Mono.framework/External/xbuild/Xamarin/iOS/Xamarin.iOS.Common.targets: error : Error executing tool '/Applications/Xcode.app/Contents/Developer/usr/bin/ibtool': Argument cannot be null.
Parameter name: unformatted
I have been experiencing the same thing when I upgraded to 5.9.1 (build 3) lately, @jstedfast .
Someone find a solution to fixe it?
Got same bug! Any solution??
Downgrading to Xamarin.iOS 8.9.1 fixed the issue for me. I haven't tried 8.10.1.
@jstedfast - We need to do a production release this week. Would you recommend we go with the last stable release that works (8.9.1) or should we go with a 8.10.1 alpha build?
This is what I did:
1. I downgraded my Xamarin Studio to 5.9 (April 30, 2015)
2. I downgraded my Xamarin.iOS to 8.9.1 (April 14, 2015)
3. Installed these two to my iMac.
4. Opened my Solution file with XS.
5. Build your solution successfully.
I am attaching screenshots of the exact builds I have downloaded to downgrade my latest XS and Xamarin.iOS versions to.
I hope this helps. Please let me know if these steps did.
@ebtenorio Thanks a lot for your solution, works perfectly. Since two week I look like how to fixe this bug.
Good to know, it works perfectly for you, @sawing. I hope Xamarin releases the latest builds that fixes this bug.
I too have been having this problem. So I went on upgrading both Xamarin Studio and XCode but the problem persists...
I don't use Storyboards, but have several xib files. How do I locate which one is causing the problem?
Hi @SamuelJocelyn, have you done the "workaround" I posted above? I am not sure if this is because of Xamarin.iOS or XS or both. But then when I downgraded to the previous build (shown as attachments in my post), building my app using those worked fine.
Using diagnostic build log I found which xib was producing "problem". Opened it and in properties saw it was for iOS 6 and up while project targets 7 and up. Fixed that, cleaned project and everything worked.
I downgraded Xamarin IOS and Studio and the problem went away. I guess I will have to be careful Not to upgrade for a while until this is fixed for good.
@SamuelJocelyn, good to hear that. I will take note of that myself too:
"Not to upgrade for a while until this is fixed for good."
let this be a lesson to you all: never update to the latest version of Xamarin right away, unless you really have to. Wait at leas for a month.
This issue has been fixed in the latest xamarin studio beta build 5.9.2 (build 2).
Sorry for my english. I got the same error and worked out. Open the storyboard with TextEdit (notepad or something else you prefer) and discovered a reference to a missin barbuttonitem. Deleted the reference and everything works fine. Hope could help someone else.
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