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2.5.4.53 IsErr

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The IsErr function calculates if the operand is a PtgErr that does not have an error code of #N/A.

ABNF:

 IsErr = val " ISERR():128"

Required Arguments:

Name: Token

Type: vAny

An argument that specifies the operand of the calculation.

Return Value:

Type: PtgBool

This function returns a PtgBool with a value of TRUE if Token is a PtgErr and the value of Token is not equal to #N/A, and a value of FALSE otherwise.