Based on the log, this appears to be an issue with the repo tool. We recommend referring to the instructions in the GitHub - rubikpi-ai/rubikpi-manifest: RUBIK Pi Yocto project manifest file. · GitHub to reinstall the repo tool and configure your environment.
Additionally, the manifest you selected (rubikpi-6.6.52-QLI.1.3-Ver.1.2_qim-product-sdk-1.1.2.xml) is relatively old. The latest version is currently rubikpi-6.6.97-QLI.1.6-Ver.1.3_qim-product-sdk-2.1.1.xml—we suggest using the latest release for your development and testing.