What does Windows error code 84 (ERROR_OUT_OF_STRUCTURES) mean? Status / error code: Category: Constant name: Source: Operating System: Description: Storage to process this request is not available. Could be also: ConstantTypeOS EILSEQerrnoLinux EOVERFLOWerrnoMac ELIBBADerrnoSolaris LM_SERVER_INTERNAL_ERRORBugCheck CodeWindows Looking for a different code? Search another status or error code.