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    Compiler Error C0077

    Message: Unknown type: '<data type>'

    Possible error cause: Invalid data type in the declaration (maybe a syntax error)

    Error correction: Specify valid data types only.

    Example 363. Example of the error:
    PROGRAM PLC_PRG
VAR
    i : INTEGER;
END_VAR

    Message:

    C0077: Unknown type: 'INTEGER'

    Error correction:

    arr1 : ARRAY[1..2] OF STRUCT1 := (p1:=1,p2:=10);