_VAR IF hMsg <> CAA.gc_hINVALID

cannot be written ERR_VUM_INVALID [...] has a invalid content

setting hMessage to CAA.gc_hINVALID [...] ); IF hMsg <> CAA.gc_hINVALID

Msg <> CAA.gc_hINVALID [...] CAA.gc_hINVALID ; [...] receiver handle or CAA.gc_hINVALID

Msg <> CAA.gc_hINVALID [...] CAA.gc_hINVALID ; [...] receiver handle or CAA.gc_hINVALID

messages. Invalid [...] situations where invalid [...] LogOptions with LoggingOptions.WarnOnReceivedInvalid

_PARAMETER: invalid parameter

_IEC_HANDLE RTS_INVALID

_AXIS_IS_NO_AXIS_REF if an invalid axis is passed

length is invalid