Compile from LOAD can not be used to change the ADSC related source such as SYMBOL table, This change requires a compile from SOURCE. ADSC related source refers to the values that can be entered in ADSC such as process name, record name, map name and whether SYMBOL table is YES or NO.
Compile the dialog using the following syntax:
//SYSIPT DD * GENERATE FROM SOURCE MOD DIALOG dlgname VERSION 0001 SYMBOL TABLE OFF DIAGNOSTIC TABLE OFF. /*