Big Sur: Installation of MacOS could not be continued

Hello there,

So i already had BigSur running with OC0.6.3 on my T440s but not everything worked.
Then sniki updated their guide for the T440s and i wanted to try this, but it did not boot, i found out that it was because i had my SystemProductName set to MacbookPro11,2 where Sniki used MacbookPro11,1.

So i tried changing snikis config.plist to 11,2 and it booted, but not everything worked so i decided to reinstall BigSur with 11,1 set. I wiped the disk and set up a new install usb.
Everything Worked fine but mid install i remered i forgot to change snikis config.plist back to 11,1, it was still set to 11,2 from my first try.

I cancelled the installation, changed the SystemProductName back to 11,1 and tried to install again, but now i got this error Message after clicking "reinstall MacOS" and then "Continue" in the next window. I had set it up in german, but translated the Error Message says something like:

Installation of MacOS could not be continued - For installation important contents must be donwloaded. Download is not possible at the moment. Please Try again later 

But internet connection is available! i already was half through the download on the first try and if i pull the network cable i get another error message complaining about internet connection being neccessary for installation.

The installation log says:

Dec 2 21:19:52 MacBook-Pro-41 osinstallersetupd[461]: IFJS: Package Authoring Error: access to path "/tmp/com.apple.pkg.testing" requires <options allow-external-scripts='true'> 

like a thousand times and also:

Dec 2 21:19:53 MacBook-Pro-41 osinstallersetupd[461]: JS: No bundle at/Applications/SafeView.app Dec 2 21:19:53 MacBook-Pro-41 osinstallersetupd[461]: OSISPredicateUpdateProduct: OS Installation Payload: Finished evaluating products in catalog (74 installable products) Dec 2 21:19:53 MacBook-Pro-41 osinstallersetupd[461]: OSISPredicateUpdateProduct: OS Installation Payload: No product found Dec 2 21:19:53 MacBook-Pro-41 osinstallersetupd[461]: Predicate update product fetch failed with error: Error Domain=com.apple.OSInstallerSetup.error Code=303 "Installation von macOS konnte nicht fortgesetzt werden." UserInfo={NSLocalizedDescription=Installation von macOS konnte nicht fortgesetzt werden., NSLocalizedRecoverySuggestion=Für die Installation müssen wichtige Inhalte geladen werden. Der Download ist im Moment nicht möglich, bitte versuche es später erneut.} Dec 2 21:19:53 MacBook-Pro-41 osinstallersetupd[461]: IFJS: Package Authoring Error: access to path "/tmp/com.apple.pkg.testing" requires <options allow-external-scripts='true'> Dec 2 21:19:53 MacBook-Pro-41 osinstallersetupd[461]: IFJS: Package Authoring Error: access to path "/var/db/.AppleTier3Language" requires <options allow-external-scripts='true'> Dec 2 21:19:53 MacBook-Pro-41 osinstallersetupd[461]: JS: No bundle at/Applications/SafeView.app Dec 2 21:19:53 MacBook-Pro-41 osinstallersetupd[461]: IFJS: Package Authoring Error: access to path "/tmp/com.apple.pkg.testing" requires <options allow-external-scripts='true'> Dec 2 21:19:53 MacBook-Pro-41 osinstallersetupd[461]: IFJS: Package Authoring Error: access to path "/var/db/.AppleTier3Language" requires <options allow-external-scripts='true'> Dec 2 21:19:53 MacBook-Pro-41 osinstallersetupd[461]: OSISPredicateUpdateProduct: Incompatible Apps List: Finished evaluating products in catalog (79 installable products) Dec 2 21:19:53 MacBook-Pro-41 osinstallersetupd[461]: OSISPredicateUpdateProduct: Incompatible Apps List: No product found Dec 2 21:19:53 MacBook-Pro-41 osinstallersetupd[461]: Failed to find incompatible apps list on software update catalog 

I already completely rebuild the install USB, redownloaded all files, cleared NVRAM but its all no use, i cant get rid of the message.

Can somebody please help me? I have no clue how to fix this.

submitted by /u/kev6661
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