Line n column m error occurs as part of another exception stack. It displays the line and column numbers in the Oracle PL/SQL code where the issue occurred. The exception is not the result of the fault. ora 06550 line n column m indicates the line and column numbers where the mistake occurred. If an issue occurs, Oracle will display all potential faults. Oracle will raise a few exceptions rather than errors. When the fundamental source of the problem is remedied, it may fix all of the errors.
To remedy this problem, must correct either the code bug or the exception. ORA-06550: column m, line n. The line and column numbers where the ORA-06550: line n column m error occurred would be displayed in the error message. The underlying cause was discovered by inspecting the code on the line number. It is conceivable that the underlying cause of the issue does not show on the stated line number. This error displays the line number where the mistake occurred. A mismatch in the line number might cause the problem.
What are the problems?
This mistake is seen if you write basic code that throws an exception but does not handle it. Make an exception using some simple PL/SQL code. The exception would generate a trace of the error stack. In the PL/SQL code, the emp name variable is not declared. However, the database output function uses the variable emp name. Oracle couldn’t find the variable to print in the console pane.
What are Exceptions in ora 06550?
The ORA-06550: line n column m error is displayed as a back trace message as unhandled exceptions unwind the error stack as part of the PLS-00201 problem. The stack trace shows the exact error PLS-00201 on the second line. Line 3 and column 26 are the locations of the mistake. By inspecting the code at the line where the problem occurs, the error will be rectified.