Delete query failed

[menesty]

Version 2.0.1.2
InvoicePdf currentInvoicePdf
Query query = getEm().createQuery("delete from " + entityClass.getName() + " entity where entity.invoicePdf=?1");
query.setParameter(1, currentInvoicePdf);
query.executeUpdate();

java.sql.SQLException: Column "E0_P.INVOICEPDF_ID" not found; SQL statement:
DELETE FROM InvoiceItem
WHERE (((E0_P.invoicePdf_id = ?))) [42122-174] Query: DELETE FROM InvoiceItem
WHERE (((E0_P.invoicePdf_id = ?))) Parameters: [34]
at org.batoo.jpa.jdbc.dbutils.QueryRunner.convertSqlException(QueryRunner.java:163)
at org.batoo.jpa.jdbc.dbutils.QueryRunner.update(QueryRunner.java:408)
at org.batoo.jpa.jdbc.dbutils.QueryRunner.update(QueryRunner.java:448)
at org.batoo.jpa.core.impl.criteria.QueryImpl.executeUpdate(QueryImpl.java:420)