Answer / guest

Cause: There can only be one test recovery session at any
time. Another test recovery session is active.

Action: Wait till the other test recovery session completes.

Please add more information about this Error

ORA-24148: cannot drop rule string.string with dependents

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TNS-12646: Invalid value specified for boolean parameter

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QSM-00788: the table string is invalid for directive string

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NNL-00508: show system_queries [<server_list>] : show system query information

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ORA-19771: cannot rename change tracking file while database is open

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ORA-31526: could not find source table string.string for CDC change table string.string

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