IST2260I

Explanation
 VTAM® issues
this message when the value specified for the CSDUMP start option
 operand is not valid.
 In the message text: operand
Possible values are: MESSAGE
RU
SENSE

value
Possible values are: An invalid message ID
A long message variable text
An invalid RU 
An invalid SENSE code

System action
 The CSDUMP start option is ignored. VTAM issues message IST1311A to prompt you to
enter the CSDUMP start option again with the correct format. 

Operator response
 Correct the CSDUMP start option by responding
to message IST1311A or ignore the error by entering a blank.  If the
CSDUMP start option was specified in an ATCSTRxx file,
contact the system programmer. See the information about the CSDUMP start option in z/OS Communications Server: SNA Resource Definition
Reference.

System programmer response
 Modify the VTAM start options contained in ATCSTRxx and
correct the value of the operand on the CSDUMP start option.  

User response
 Not applicable.

Problem determination
 Not applicable.

Source
 z/OS® Communications
Server SNA

Module
 You can display the module that issues a SNA message
in the message by setting the MSGMOD start option to YES.  See Adding the originating module to the message text for more information about the MSGMOD
start option.

Routing code
 2

Descriptor code
 5

Automation
 Not applicable.

Example
  IST2260I CSDUMP MESSAGE OPERAND VALUE L7201A12345 IS NOT VALID