Error while creating build definition: The pipeline is not valid. A task is missing. The pipeline references a task called 'a8515ec8-7254-4ffd-912c-86772e2b5962'. This usually indicates the task isn't installed, and you may be able to install it from the Marketplace: https://marketplace.visualstudio.com . (Task version, job 'Phase_1', step ''.) A task is missing. The pipeline references a task called 'a8515ec8-7254-4ffd-912c-86772e2b5962'. This usually indicates the task isn't installed, and you may be able to install it from the Marketplace: https://marketplace.visualstudio.com . (Task version, job 'Phase_1', step ''.)
So I found a solution to the problem, after making some research. These are the steps i followed:
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