VTAM® issues this message when the value specified for start option option is not valid.
VTAM ignores option. VTAM will issue message IST1311A to prompt you for the correct value of option.
Enter a valid value for option in response to message IST1311A. You can also enter a blank if you want to accept the default value for option.
For the NNSPREF start option, a prompt might be issued, depending on the type of error. If no prompt is issued, enter a MODIFY VTAMOPTS,NNSPREF command with the correct value following the completion of VTAM initialization.
For the DISABLED value of the HPRSESLM start option, a prompt is not issued and the HPRSESLM start option is set to NOLIMIT. To change this value, enter a MODIFY VTAMOPTS,HPRSESLM command with the correct value following the completion of VTAM initialization.
If option is coded in an ATCSTRxx file, correct the value for option in that file. For more information about VTAM start options, see the z/OS Communications Server: SNA Resource Definition Reference.
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