Compiling WHEN-BUTTON-PRESSED trigger on CANCEL_SAVE_FOLDER item in FOLDER_CONTROL block...
Compilation error on WHEN-BUTTON-PRESSED trigger on CANCEL_SAVE_FOLDER item in FOLDER_CONTROL block:
PL/SQL ERROR 303 at line 1, column 1
qualifier 'APP_FOLDER' must be declared
PL/SQL ERROR 0 at line 1, column 1
Statement ignored
这个APP_FOLDER在哪里,如何定义啊。