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The following circumstances might cause the message "Libname libref is not assigned" to occur in SAS® 9.1.3, Service Pack 4 or earlier.
The problem can be circumvented by specifying the engine explicitly, using a LIBNAME statement.
Select the Hot Fix tab in this note to access the hot fix for this issue.
A fix for SAS 9.1.3 (9.1 TS1M3) for this issue is available at:
A fix for SAS 9.1.3 (9.1 TS1M3) with Asian Language Support (DBCS) for this issue is available at: