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CoreData の移行を試みていますが、突然機能しなくなりました。デバッグ ログから:

2013-04-12 11:59:17.600 Redacted[7684:3607] CoreData: annotation: (migration)    will attempt automatic schema migration
2013-04-12 11:59:17.712 Redacted[7684:3607] CoreData: annotation: (migration) looking for mapping model with 
 source hashes: 
{
    Redacted = <ad40b955 0fdcbf91 efd12f35 5ab2737a ad57635a 7b9bd32a a4aaecaf 6eb6ffb0>;
    Redacted = <8be6112c 2517affe 7496c522 c267a485 1b002285 057a735b d38e79c1 b2700406>;
    Redacted = <180e1207 9c41a970 bcd190bb 33b1d55e f4f6fe93 99167a2c c5b9aadd add4281e>;
    Redacted = <a55bab71 2e03c10f 6f59c567 64bd48c3 bed015c8 05ed9cbf a3253b44 02a9c783>;
}
 destination hashes: {
    Redacted = <45a621cd 1a04df96 ab756b9d 6f4e05ca 14790dd6 04dda71b e9d13894 6218a5d5>;
    Redacted = <4cdc3543 38cb3d0b f3edea4d 6f262f6e bff97ae0 cf8c9924 cdbacb3d b6fa7c8c>;
    Redacted = <ff7be1ae 0f120d47 cb2c39e1 33a24fff 1cb880b5 e5bd2ede 85470fea 2c77512a>;
    Redacted = <ca532228 da5b5471 1521b15c 203a8df2 da8e4639 4fb6b8fb 1510732a d538ab6a>;
    Redacted = <97e6c0c6 0eea0170 3870ca94 348d8ff8 437fc4ca ce8e11c1 1623ff07 5ea78ad4>;
    Redacted = <b48aabf8 4ac4b29c 77ae366d b941a441 23f909b1 81c7447e 44925268 c26e83df>;
}
2013-04-12 11:59:17.717 Redacted[7684:3607] CoreData: annotation: (migration) checking mapping model at path file://redacted/MappingModel.cdm
 source hashes: 
 {(
     <180e1207 9c41a970 bcd190bb 33b1d55e f4f6fe93 99167a2c c5b9aadd add4281e>,
     <ad40b955 0fdcbf91 efd12f35 5ab2737a ad57635a 7b9bd32a a4aaecaf 6eb6ffb0>,
     <a55bab71 2e03c10f 6f59c567 64bd48c3 bed015c8 05ed9cbf a3253b44 02a9c783>,
     <8be6112c 2517affe 7496c522 c267a485 1b002285 057a735b d38e79c1 b2700406>
 )}
 destination hashes: {(
    <ca532228 da5b5471 1521b15c 203a8df2 da8e4639 4fb6b8fb 1510732a d538ab6a>,
    <45a621cd 1a04df96 ab756b9d 6f4e05ca 14790dd6 04dda71b e9d13894 6218a5d5>,
    <4cdc3543 38cb3d0b f3edea4d 6f262f6e bff97ae0 cf8c9924 cdbacb3d b6fa7c8c>,
    <b48aabf8 4ac4b29c 77ae366d b941a441 23f909b1 81c7447e 44925268 c26e83df>,
    <97e6c0c6 0eea0170 3870ca94 348d8ff8 437fc4ca ce8e11c1 1623ff07 5ea78ad4>,
    <ff7be1ae 0f120d47 cb2c39e1 33a24fff 1cb880b5 e5bd2ede 85470fea 2c77512a>
)}
2013-04-12 11:59:18.440 Redacted[7684:3607] CoreData: annotation: (migration) no suitable mapping model found

私が知る限り、すべてのハッシュはすべて一致しています。クリーニングを試みました。これが失敗する理由はありますか？

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