PL/SQL: unhandled user-defined exception
PL/SQL 中引发了用户自定义异常，但未找到异常处理程序来捕获它。异常传播到顶层并导致程序单元失败。
SELECT text FROM dba_source WHERE name = 'PROC_NAME' AND type = 'PROCEDURE' ORDER BY line;SELECT * FROM dba_errors WHERE name = 'PROC_NAME' AND type = 'PROCEDURE';