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Title: Context migration fails to remove incompatible contexts, causing initialization errors

Title: Context migration fails to remove incompatible contexts, causing initialization errors: a task in TaskCompendium spike examples (Harbor dataset). ISSUE Title: Context migration fails to remove incompatible contexts, causing initialization errors

The task

[ISSUE] **Title:** Context migration fails to remove incompatible contexts, causing initialization errors

Part of open-athena/taskcompendium-spike.