KO2O0503E Near-Term History Data Collector - SHOWCB/GENCB EXLST FAILED WITH RETURN CODE=`rc`, REASON CODE=`rs`

Explanation
An error occurred while SHOWCB/GENCB EXLST was
issued against the VSAM data set. This problem could be caused by
an I/O error on the VSAM data set.

System action
Processing continues, but the data extractor cannot
extract any performance data from GTF or SMF.

User response
If the error code does not indicate an I/O error,
contact IBM® support.