Message Oracle PCB-00210 - DISPLAY-1 only allowed with PIC G and PIC N variables string

ERRORDISPLAY-1 only allowed with PIC G and PIC N variables string
CAUSEA variable declared with DISPLAY-1 in the usage clause without PIC G or PIC N in the picture clause was used in a SQL statement.
ACTIONReplace DISPLAY-1 with DISPLAY or change the picture clause to use PIC N or PIC G.