Yes, your MBPro is a supported graphics card to upgrade to Sonoma (supported by OCLP, anyway)
Perhaps you are not following the steps to make your bootable installer, including adding the OpenCore EFI partition.
If you need a slightly newer version of the OCLP app now, you can get the current nightly build of OCLP quite easily here . (click on the link GUI (Graphical Based App) to download that nightly build, which is currently version 1.4.3)
The oldest Mac I am currently using is an early 2008 iMac, with Sonoma 4.3.1 I am waiting for OCLP to support next update to Sonoma 4.4.1 (which I predict will be released ASAP, due to the various issues that have been reported with Sonoma 4.4), but wait for a OCLP release that claims to add support for non-metal GPUs, if you like. But, OCLP should support your MacBookPro10,1 now, as it does have a "metal" GPU.
What is the actual error that you get when you try to install with the current OpenCore version?
Are you just running the Sonoma installer app while booted to your present system? or, are you booting to the Sonoma installer
Perhaps you are not following the steps to make your bootable installer, including adding the OpenCore EFI partition.
If you need a slightly newer version of the OCLP app now, you can get the current nightly build of OCLP quite easily here . (click on the link GUI (Graphical Based App) to download that nightly build, which is currently version 1.4.3)
The oldest Mac I am currently using is an early 2008 iMac, with Sonoma 4.3.1 I am waiting for OCLP to support next update to Sonoma 4.4.1 (which I predict will be released ASAP, due to the various issues that have been reported with Sonoma 4.4), but wait for a OCLP release that claims to add support for non-metal GPUs, if you like. But, OCLP should support your MacBookPro10,1 now, as it does have a "metal" GPU.
What is the actual error that you get when you try to install with the current OpenCore version?
Are you just running the Sonoma installer app while booted to your present system? or, are you booting to the Sonoma installer
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