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I got many stray repetition record errors when upgrading my collection from SuperMemo 2000. Should I worry about this?

April 26, 2017collection errors GOT record repetition stray SuperMemo upgrading worry

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I got many stray repetition record errors when upgrading my collection from SuperMemo 2000. Should I worry about this?

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No. These errors come from bugs in repetition history garbage collection in SuperMemo 2000. These were harmless. You can check your Repetitions and Retention data in Workload to check for potential, but rather unlikely, distortions in your repetition history. This data is not used in the learning process.