diff --git a/Isabelle_DOF-Ontologies/document-templates/root-beamer-UNSUPPORTED.tex b/Isabelle_DOF-Ontologies/document-templates/root-beamer-UNSUPPORTED.tex
index 6306e5a..c90ab0b 100644
--- a/Isabelle_DOF-Ontologies/document-templates/root-beamer-UNSUPPORTED.tex
+++ b/Isabelle_DOF-Ontologies/document-templates/root-beamer-UNSUPPORTED.tex
@@ -21,6 +21,7 @@
 \RequirePackage{ifvtex}
 \documentclass[16x9,9pt]{beamer}
 \PassOptionsToPackage{force}{DOF-scholarly_paper}
+\title{No Title Given}
 \usepackage{DOF-core}
 
 \usepackage{textcomp}
diff --git a/Isabelle_DOF-Ontologies/document-templates/root-beamerposter-UNSUPPORTED.tex b/Isabelle_DOF-Ontologies/document-templates/root-beamerposter-UNSUPPORTED.tex
index 83457c1..783d279 100644
--- a/Isabelle_DOF-Ontologies/document-templates/root-beamerposter-UNSUPPORTED.tex
+++ b/Isabelle_DOF-Ontologies/document-templates/root-beamerposter-UNSUPPORTED.tex
@@ -21,6 +21,7 @@
 \RequirePackage{ifvtex}
 \documentclass[]{beamer}
 \PassOptionsToPackage{force}{DOF-scholarly_paper}
+\title{No Title Given}
 \usepackage{beamerposter}
 \usepackage{DOF-core}
 
diff --git a/Isabelle_DOF-Ontologies/document-templates/root-eptcs-UNSUPPORTED.tex b/Isabelle_DOF-Ontologies/document-templates/root-eptcs-UNSUPPORTED.tex
index 8c0906b..77c4dc3 100644
--- a/Isabelle_DOF-Ontologies/document-templates/root-eptcs-UNSUPPORTED.tex
+++ b/Isabelle_DOF-Ontologies/document-templates/root-eptcs-UNSUPPORTED.tex
@@ -23,6 +23,7 @@
 %% preamble.tex. 
 
 \documentclass[submission,copyright,creativecommons]{eptcs}
+\title{No Title Given}
 
 \usepackage{DOF-core}
 \bibliographystyle{eptcs}% the mandatory bibstyle
diff --git a/Isabelle_DOF-Ontologies/document-templates/root-lipics-v2021-UNSUPPORTED.tex b/Isabelle_DOF-Ontologies/document-templates/root-lipics-v2021-UNSUPPORTED.tex
index b59198e..9c43b1c 100644
--- a/Isabelle_DOF-Ontologies/document-templates/root-lipics-v2021-UNSUPPORTED.tex
+++ b/Isabelle_DOF-Ontologies/document-templates/root-lipics-v2021-UNSUPPORTED.tex
@@ -25,6 +25,7 @@
 
 \documentclass[a4paper,UKenglish,cleveref, autoref,thm-restate]{lipics-v2021}
 \bibliographystyle{plainurl}% the mandatory bibstyle
+\title{No Title Given}
 \usepackage[numbers, sort&compress, sectionbib]{natbib}
 
 \usepackage{DOF-core}
diff --git a/Isabelle_DOF-Ontologies/document-templates/root-sn-article-UNSUPPORTED.tex b/Isabelle_DOF-Ontologies/document-templates/root-sn-article-UNSUPPORTED.tex
index f1d34eb..1f64772 100644
--- a/Isabelle_DOF-Ontologies/document-templates/root-sn-article-UNSUPPORTED.tex
+++ b/Isabelle_DOF-Ontologies/document-templates/root-sn-article-UNSUPPORTED.tex
@@ -21,6 +21,7 @@
 
 \documentclass[iicol]{sn-jnl}
 \PassOptionsToPackage{force}{DOF-scholarly_paper}
+\title{No Title Given}
 \usepackage{DOF-core}
 \bibliographystyle{sn-basic}
 \let\proof\relax
diff --git a/Isabelle_DOF-Ontologies/document-templates/root-svjour3-UNSUPPORTED.tex b/Isabelle_DOF-Ontologies/document-templates/root-svjour3-UNSUPPORTED.tex
index 8ee88a3..03f09c3 100644
--- a/Isabelle_DOF-Ontologies/document-templates/root-svjour3-UNSUPPORTED.tex
+++ b/Isabelle_DOF-Ontologies/document-templates/root-svjour3-UNSUPPORTED.tex
@@ -23,6 +23,7 @@
 \RequirePackage{fix-cm}
 \documentclass[]{svjour3}
 
+\title{No Title Given}
 \usepackage{DOF-core}
 \usepackage{mathptmx}
 \bibliographystyle{abbrvnat}
diff --git a/Isabelle_DOF/latex/document-templates/root-lncs.tex b/Isabelle_DOF/latex/document-templates/root-lncs.tex
index c2827a0..115ed04 100644
--- a/Isabelle_DOF/latex/document-templates/root-lncs.tex
+++ b/Isabelle_DOF/latex/document-templates/root-lncs.tex
@@ -23,7 +23,7 @@
 \documentclass{llncs}
 \usepackage{DOF-core}
 \bibliographystyle{splncs04}
-
+\title{No Title Given}
 \usepackage{hyperref}
 \setcounter{tocdepth}{3} 
 \hypersetup{%
diff --git a/Isabelle_DOF/latex/document-templates/root-scrartcl.tex b/Isabelle_DOF/latex/document-templates/root-scrartcl.tex
index a6a737f..a006b9c 100644
--- a/Isabelle_DOF/latex/document-templates/root-scrartcl.tex
+++ b/Isabelle_DOF/latex/document-templates/root-scrartcl.tex
@@ -22,6 +22,7 @@
 \RequirePackage{ifvtex}
 \documentclass[abstract=true,fontsize=11pt,DIV=12,paper=a4]{scrartcl}
 
+\title{No Title Given}
 \usepackage{DOF-core}
 
 \usepackage{textcomp}
diff --git a/Isabelle_DOF/latex/document-templates/root-scrreprt-modern.tex b/Isabelle_DOF/latex/document-templates/root-scrreprt-modern.tex
index 75ac822..81b7186 100644
--- a/Isabelle_DOF/latex/document-templates/root-scrreprt-modern.tex
+++ b/Isabelle_DOF/latex/document-templates/root-scrreprt-modern.tex
@@ -24,6 +24,7 @@
 \RequirePackage{ifvtex}
 \documentclass[fontsize=11pt,paper=a4,open=right,twoside,abstract=true]{scrreprt}
 
+\title{No Title Given}
 
 \usepackage{textcomp}
 \bibliographystyle{abbrvnat}
diff --git a/Isabelle_DOF/latex/document-templates/root-scrreprt.tex b/Isabelle_DOF/latex/document-templates/root-scrreprt.tex
index e8c0141..bb5d07b 100644
--- a/Isabelle_DOF/latex/document-templates/root-scrreprt.tex
+++ b/Isabelle_DOF/latex/document-templates/root-scrreprt.tex
@@ -21,6 +21,7 @@
 
 \RequirePackage{ifvtex}
 \documentclass[fontsize=11pt,paper=a4,open=right,twoside,abstract=true]{scrreprt}
+\title{No Title Given}
 
 \usepackage{DOF-core}
 
diff --git a/Isabelle_DOF/latex/styles/DOF-core.sty b/Isabelle_DOF/latex/styles/DOF-core.sty
index 0bfa98c..bd5a2be 100644
--- a/Isabelle_DOF/latex/styles/DOF-core.sty
+++ b/Isabelle_DOF/latex/styles/DOF-core.sty
@@ -156,17 +156,17 @@
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 % begin: label and ref
 \newkeycommand\isaDof@label[label=,type=][1]{\label{#1}}
-\def\isaDofDOTlabel{\isaDof@label}
+\newcommand{\isaDofDOTlabel}{\isaDof@label}
 \newkeycommand\isaDof@ref[label=,type=][1]{\autoref{#1}}
-\def\isaDofDOTref{\isaDof@ref}
+\newcommand{\isaDofDOTref}{\isaDof@ref}
 \newkeycommand\isaDof@macro[label=,type=][1]{MMM \label{#1}}        %% place_holder
-\def\isaDofDOTmacroDef{\iisaDof@macro}
+\newcommand{\isaDofDOTmacroDef}{\iisaDof@macro}
 \newkeycommand\isaDof@macroExp[label=,type=][1]{MMM \autoref{#1}}   %% place_holder
-\def\isaDofDOTmacroExp{\isaDof@macroExp}
+\newcommand{\isaDofDOTmacroExp}{\isaDof@macroExp}
 % end: label and ref
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
-\title{No Title Given}
+%\title{No Title Given}
 \input{ontologies}
 \IfFileExists{preamble.tex}{\input{preamble.tex}}{}%