DB_ERR_ORA_00056 SAP ABAP Runtime Error db err ora 00056

DB_ERR_ORA_00056 is an ABAP runtime error which you may come across when using or developing within an SAP system. See below for the standard details explaining what it means and how you can avoid or fix this runtime error.

Short Dump Classification: & - Text Include (no Short Dump, only Text Module)

You can view further information about a runtme error by using transaction code ST22 which will show you this and all runtime erros that have happen in your SAP system.

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DB_ERR_ORA_00056 ABAP Runtime Error

Please see ora information for more details about the possible cause of this runtime error and how it could be avoided.

Database object locked by a DDL lock You need to wait until the other user's lock on this table is released.
In some cases, this lock is not released until the SAP system is switched off, as the locks might belong to DB cursors that are in an internal SAP cursor cache and are not released. Please see internal error for more details about the possible cause of this runtime error and how it could be avoided.

Your program or transaction has triggered a DDL operation in ORACLE in order to create a table or index, or to modify it. Operations of this kind necessitate modifications in the ORACLE Data Dictionary. A DDL lock has to set for this. This DDL lock could not be set, as another user has already set it.
It is also possible that you have set the very same lock yourself. For performance reasons, open DB cursors are not closed explicitly in ABAP systems. The DDL lock will therefore only be released when the database system (ORACLE in this case) recognizes it as 'obsolete', and the lock thus releases itself. Your transaction required an exclusive lock on a database object that was already locked by another transaction.