([Pervasive][ODBC Client Interface][LNA][Pervasive][ODBC Engine Interface][Data Record Manager]The application cannot find the key value (Btrieve error 5))

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i have not closed Journal entries in G/L for 12months, so while posting it indicates that i cannot post for more than 12months without closing for the months. i decided to go back and close, then this error appeared.while closing G/L For month of June 2015 ([Pervasive][ODBC Client Interface][LNA][Pervasive][ODBC Engine Interface][Data Record Manager]The application cannot find the key value (Btrieve error 5))"  Any ideas?