Compiler Error C0078

Message

Unsupported type: ‘<data type>’.

Message Cause

The type used is not supported by the device.

Solution

If possible, use a different type. For example, REAL instead of LREAL.

Error Example

PROGRAM PLC_PRG
VAR
  value : LREAL;
END_VAR

-->C0078: Unsupported type: ‘LREAL’

Error Correction

PROGRAM PLC_PRG
VAR
  value : REAL;
END_VAR