The first parameter for the VARGRAPH keyword must be a numeric constant between 1 and 8386550.
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Cause . . . . . : The first parameter for the VARGRAPH keyword must be a numeric value with zero decimal positions between 1 and 8386550. If the parameter is a named constant or built-in function, it must be fully defined before the VARGRAPH keyword is used.
Recovery . . . : Correct the parameter for the VARGRAPH keyword. Compile again.