Error
Error Code:
ORA-28063
Oracle ORA-28063: Empty Policy Expression
Description
The ORA-28063 error occurs in Oracle Database when attempting to add a data redaction policy using `DBMS_REDACT.ADD_POLICY` with an empty or null expression. This usually happens during the configuration of data masking or security policies.
Error Message
ORA-28063: The policy expression is empty.
Known Causes
3 known causesMissing Expression
The `EXPRESSION` parameter in the `DBMS_REDACT.ADD_POLICY` call was not provided or was left empty.
Null Expression Value
The `EXPRESSION` parameter was explicitly set to NULL, which is not a valid policy expression.
Incorrect Variable Assignment
The variable assigned to the `EXPRESSION` parameter was unintentionally empty or had been cleared before the `ADD_POLICY` call.
Solutions
Coming SoonDetailed step-by-step solutions for this error are being prepared. In the meantime, try these general troubleshooting tips:
General Troubleshooting Tips
- Check the error message carefully for specific details
- Review recent changes that might have caused the error
- Search for the exact error code in the official documentation
- Check log files for additional context
- Try restarting the application or service