2 files changed, 11 insertions, 7 deletions
diff --git a/src/doc_reform/meta/conf_make_meta_json.d b/src/doc_reform/meta/conf_make_meta_json.d
index 5f36fb1..9befaaa 100644
--- a/src/doc_reform/meta/conf_make_meta_json.d
+++ b/src/doc_reform/meta/conf_make_meta_json.d
@@ -410,7 +410,7 @@ static template contentJSONtoSpineStruct() {
       }
       _struct_composite.meta.creator_author_arr = author_arr;
       _struct_composite.meta.creator_author     = author_arr.join(", ").chomp.chomp;
-      _struct_composite.meta.creator_author_surname = authors_hash_arr["last"][0];
+      _struct_composite.meta.creator_author_surname = (authors_hash_arr["last"].length > 0) ? authors_hash_arr["last"][0] : "";
       string _author_name_last_first = authors_hash_arr["last_first"].join("; ").chomp.chomp;
       _struct_composite.meta.creator_author_surname_fn = (_author_name_last_first.length > 0)
       ? _author_name_last_first
diff --git a/src/doc_reform/meta/conf_make_meta_yaml.d b/src/doc_reform/meta/conf_make_meta_yaml.d
index 9dac231..1f22dc8 100644
--- a/src/doc_reform/meta/conf_make_meta_yaml.d
+++ b/src/doc_reform/meta/conf_make_meta_yaml.d
@@ -680,7 +680,7 @@ template contentYAMLtoSpineStruct() {
       }
       _struct_composite.meta.creator_author_arr = author_arr;
       _struct_composite.meta.creator_author     = author_arr.join(", ").chomp.chomp;
-      _struct_composite.meta.creator_author_surname = authors_hash_arr["last"][0];
+      _struct_composite.meta.creator_author_surname = (authors_hash_arr["last"].length > 0) ? authors_hash_arr["last"][0] : "";
       string _author_name_last_first = authors_hash_arr["last_first"].join("; ").chomp.chomp;
       _struct_composite.meta.creator_author_surname_fn = (_author_name_last_first.length > 0)
       ? _author_name_last_first
@@ -1008,13 +1008,18 @@ template configParseYAMLreturnSpineStruct() {
     if (_document_struct.content.length > 0) {
       try {
         _yaml = Loader.fromString(_document_struct.content).load();
-        _make_and_meta_struct
-          = contentYAMLtoSpineStruct!()(_make_and_meta_struct, _yaml, _manifested, _opt_action, _document_struct.filename);
-      } catch {
+      } catch (Throwable) {
         import std.stdio;
         writeln("ERROR failed to parse content as yaml: ", _document_struct.filename);
         // writeln(_document_struct.content);
       }
+      try {
+      _make_and_meta_struct
+        = contentYAMLtoSpineStruct!()(_make_and_meta_struct, _yaml, _manifested, _opt_action, _document_struct.filename);
+      } catch (Throwable) {
+        import std.stdio;
+        writeln("ERROR failed to convert yaml to struct: ", _document_struct.filename);
+      }
     }
     return _make_and_meta_struct;
   }
@@ -1050,8 +1055,7 @@ template docHeaderMakeAndMetaTupYamlExtractAndConvertToStruct() {
         writeln("ERROR failed to read document header, yaml header does not contain essential information related to title and author");
       }
       return contentYAMLtoSpineStruct!()(_make_and_meta_struct, _yaml, _manifested, _opt_action, "header");
-    } catch {
-      import std.stdio;
+    } catch (Throwable) {
       writeln("ERROR failed to read document header, header not parsed as yaml: ", _manifested.src.filename);
       return _make_and_meta_struct;
     }