2336088 - ORA-03124: two task internal error on STXH table during transport

During a transport or upgrade the following dump is raised:

Runtime Errors DBIF_RSQL_SQL_ERROR
Except. CX_SY_OPEN_SQL_DB
Date and Time dd.mm.yyyy hh:mm:ss
 
Short text
SQL error 3124 when accessing table "STXH".
 
What happened?
Error Text of the Database: "ORA-03124: two-task internal error"

Oracle database

SQL 3124 STXH , KBA , BC-CTS-TMS , Transport Management System , BC-DB-ORA , Oracle , BC-UPG-OCS , Online Corr. Support (Tools:Supp.-Pack., Addon Install/Upgr) , BC-CTS-CCO , Client Copy (For ByD issues select BC-TLM-CP) , BC-CTS-LAN , Language Transport Tools (application server ABAP) , BC-CTS-TMS-CTR , Central CTS - Transport Management , BC-CTS-TMS-PLS , TMS for non-ABAP (CTS+) , BC-UPG-TLS , Upgrade Tools (SUM) , Problem