Hi! With LMTX the following example results in setup > error in line 7, namespace 'naturaltablelocal', key ',' setup > error in line 7, namespace 'naturaltablelocal', key ',' The file runs without error in MkIV. Has something changed or is it a bug? \starttext \bTABLE \bTR \bTD \samplefile{knuth} \eTD \bTD \samplefile{knuth} \eTD \eTR \eTABLE \stoptext This is LuaMetaTeX, Version 2.06.05 current version: 2020.05.25 23:39 Marco