Table lit_mbdb_book doesn't exist

Hi all

After upgrade to 3.1.2, i received the following error when i start migrate data:

An error occured while migrating data to version 3.0. Please contact Mooberry Dreams at [email protected] with the following error message.
Error: Table ‘databasename.lit_mbdb_books’ doesn’t exist

Any help is welcome.

Best regards.

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