https://knowledge.broadcom.com/external/article/271598/error-record-not-written-length-invali.html
ERROR: "RECORD ... NOT WRITTEN. LENGTH INVALID" XCOMHIST migration
errorrecordwrittenlengthinvalid
https://knowledge.broadcom.com/external/article/15486/support-for-an-xcomhist-file-larger-than.html
Support for an XCOMHIST file larger than 4GB with XCOM for z/OS 12.0