Vault - System Error loading /var/lib/HPCCSystems/dllserver/temp/lib

During 7.8 platform upgrade to Vault this morning, a couple of jobs that ran successfully last week are now failing with the following error:

Error: System error: 0: Error loading /var/lib/HPCCSystems/dllserver/temp/libW20200511-102918.so: /var/lib/HPCCSystems/dllserver/temp/libW20200511-102918.so: undefined symbol: aclCleanLNBOCtx (0, 0), 0,

http://alpha_vault_thor_esp.risk.regn.net:8010/#/stub/Main-DL/Search-DL/DetailW20200511x102918-DL/Summary

http://alpha_vault_thor_esp.risk.regn.net:8010/?Wuid=W20200511-125534&Widget=WUDetailsWidget