diff --git a/all.sas b/all.sas
index a11ca94..2d4e760 100644
--- a/all.sas
+++ b/all.sas
@@ -975,7 +975,8 @@ https://github.com/yabwon/SAS_PACKAGES/blob/main/packages/baseplus.md#functionex
     %end;
   %end;
   %else %do;
-    %put dataset &libds not opened! (rc=&dsid);
+    %put &sysmacroname: dataset &libds not opened! (rc=&dsid);
+    %put &sysmacroname: %sysfunc(sysmsg());
     %return;
   %end;
 
@@ -1037,7 +1038,11 @@ https://github.com/yabwon/SAS_PACKAGES/blob/main/packages/baseplus.md#functionex
       %let vlen = %str( );
     %end;
   %end;
-  %else %put dataset &libds not opened! (rc=&dsid);
+  %else %do;
+    %put &sysmacroname: dataset &libds not opened! (rc=&dsid);
+    %put &sysmacroname: %sysfunc(sysmsg());
+    %return;
+  %end;
 
   /* Close dataset */
   %let rc = %sysfunc(close(&dsid));
@@ -1161,7 +1166,11 @@ returns:
       %let vnum = %str( );
     %end;
   %end;
-  %else %put dataset &ds not opened! (rc=&dsid);
+  %else %do;
+    %put &sysmacroname: dataset &libds not opened! (rc=&dsid);
+    %put &sysmacroname: %sysfunc(sysmsg());
+    %return;
+  %end;
 
   /* Close dataset */
   %let rc = %sysfunc(close(&dsid));
@@ -1210,7 +1219,11 @@ Usage:
       %let vtype = %str( );
     %end;
   %end;
-  %else %put dataset &libds not opened! (rc=&dsid);
+  %else %do;
+    %put &sysmacroname: dataset &libds not opened! (rc=&dsid);
+    %put &sysmacroname: %sysfunc(sysmsg());
+    %return;
+  %end;
 
   /* Close dataset */
   %let rc = %sysfunc(close(&dsid));
diff --git a/base/mf_getvarformat.sas b/base/mf_getvarformat.sas
index 677b305..76c910b 100755
--- a/base/mf_getvarformat.sas
+++ b/base/mf_getvarformat.sas
@@ -51,7 +51,8 @@
     %end;
   %end;
   %else %do;
-    %put dataset &libds not opened! (rc=&dsid);
+    %put &sysmacroname: dataset &libds not opened! (rc=&dsid);
+    %put &sysmacroname: %sysfunc(sysmsg());
     %return;
   %end;
 
diff --git a/base/mf_getvarlen.sas b/base/mf_getvarlen.sas
index 64f1bb8..e936013 100644
--- a/base/mf_getvarlen.sas
+++ b/base/mf_getvarlen.sas
@@ -43,7 +43,11 @@
       %let vlen = %str( );
     %end;
   %end;
-  %else %put dataset &libds not opened! (rc=&dsid);
+  %else %do;
+    %put &sysmacroname: dataset &libds not opened! (rc=&dsid);
+    %put &sysmacroname: %sysfunc(sysmsg());
+    %return;
+  %end;
 
   /* Close dataset */
   %let rc = %sysfunc(close(&dsid));
diff --git a/base/mf_getvarnum.sas b/base/mf_getvarnum.sas
index 83fc99f..a449ee6 100755
--- a/base/mf_getvarnum.sas
+++ b/base/mf_getvarnum.sas
@@ -43,7 +43,11 @@ returns:
       %let vnum = %str( );
     %end;
   %end;
-  %else %put dataset &ds not opened! (rc=&dsid);
+  %else %do;
+    %put &sysmacroname: dataset &libds not opened! (rc=&dsid);
+    %put &sysmacroname: %sysfunc(sysmsg());
+    %return;
+  %end;
 
   /* Close dataset */
   %let rc = %sysfunc(close(&dsid));
diff --git a/base/mf_getvartype.sas b/base/mf_getvartype.sas
index 65f0753..7496f68 100755
--- a/base/mf_getvartype.sas
+++ b/base/mf_getvartype.sas
@@ -39,7 +39,11 @@ Usage:
       %let vtype = %str( );
     %end;
   %end;
-  %else %put dataset &libds not opened! (rc=&dsid);
+  %else %do;
+    %put &sysmacroname: dataset &libds not opened! (rc=&dsid);
+    %put &sysmacroname: %sysfunc(sysmsg());
+    %return;
+  %end;
 
   /* Close dataset */
   %let rc = %sysfunc(close(&dsid));