MSIR.0860 Can't extend (classtype)

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The indicated class type (enumeration, file/group class, collection) cannot be extended. These somewhat arbitrary restrictions might be lifted some day, but for now they must be coded around. One way of working around the restriction is to contain a reference to an object of the class that is not allowed to be extended. Quite often this is as good (or even better!) than extending the class.


Message attributes:

RETCODEO=0Sets online return code
RETCODEB=4Sets batch (single user) return code
CLASS=EError class; the message can be suppressed with the X'04' bit setting of the MSGCTL parameter
AUDITERWrites the message with line type ER to the audit trail
COUNTIncrements the error count (ERCNT) parameter
ECHODisplays the line that caused the error

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