Long-term recommendations
: Specific versions of Oracle have known bugs (e.g., bug 28307854) that cause ORA-39126 when importing package bodies or certain metadata. Oracle Forums Common Solutions and Workarounds To resolve this error, try the following steps in order: Long-term recommendations : Specific versions of Oracle have
To appreciate the gravity of ORA-39126, one must understand the Data Pump architecture. The KUPW (Data Pump Worker) process handles the actual loading of data into tables. The function PREPARE-DATA-IMP (import data preparation) is responsible for setting up the environment to receive a specific table’s data—evaluating constraints, preparing indexes, and initializing the stream. The number 71 refers to a specific internal subroutine within that preparation phase. It almost always indicates in the dump file,
The "71" refers to a specific internal trace point in the Data Pump code. It almost always indicates in the dump file, object definition incompatibility , or a bug in the Data Pump client/database version. object definition incompatibility
Check the and Trace Files for the underlying ORA- code (often ORA-01403).