diff --git a/all.sas b/all.sas
index 6b51afd..371a2d2 100644
--- a/all.sas
+++ b/all.sas
@@ -2194,7 +2194,7 @@ Usage:
   %end;
 
   /* Stored Process Server web app context */
-  %if %symexist(_metaport)
+  %if %symexist(_METAFOLDER)
     or "&SYSPROCESSNAME "="Compute Server "
     or &mode=INCLUDE
   %then %do;
@@ -2270,12 +2270,14 @@ Usage:
     /* send response in SASjs JSON format */
     data _null_;
       file _webout mod lrecl=32000 encoding='utf-8';
-      length msg $32767 ;
+      length msg syswarningtext syserrortext $32767 ;
       sasdatetime=datetime();
       msg=symget('msg');
     %if &logline>0 %then %do;
       msg=cats(msg,'\n\nLog Extract:\n',symget('logmsg'));
     %end;
+      /* escape the escapes */
+      msg=tranwrd(msg,'\','\\');
       /* escape the quotes */
       msg=tranwrd(msg,'"','\"');
       /* ditch the CRLFs as chrome complains */
@@ -13358,8 +13360,8 @@ run;
   <h4> SAS Macros </h4>
   @li mp_abort.sas
 
-  @param libref the libref (not name) of the metadata library
-  @param mAbort= If not assigned, HARD will call %mp_abort(), SOFT will
+  @param [in] libref The libref (not name) of the metadata library
+  @param [in] mAbort= If not assigned, HARD will call %mp_abort(), SOFT will
     silently return
 
   @returns libname statement
@@ -13373,11 +13375,11 @@ run;
     libref
     ,mAbort=HARD
 )/*/STORE SOURCE*/;
-
+%local mp_abort msg;
+%let mp_abort=0;
 %if %sysfunc(libref(&libref)) %then %do;
-  %local mp_abort msg; %let mp_abort=0;
   data _null_;
-    length liburi LibName $200;
+    length liburi LibName msg $200;
     call missing(of _all_);
     nobj=metadata_getnobj("omsobj:SASLibrary?@Libref='&libref'",1,liburi);
     if nobj=1 then do;
@@ -13391,7 +13393,24 @@ run;
           * not always helpful though.  One example, previously received:
           * NOTE: Libref XX refers to the same library metadata as libref XX.
           */
-        call symputx('msg',sysmsg(),'l');
+        msg=sysmsg();
+        if msg=:'ERROR: Libref SAVE is not assigned.' then do;
+          msg=catx(" ",
+            "Could not assign %upcase(&libref).",
+            "Please check metadata permissions!  Libname:",libname,
+            "Liburi:",liburi
+          );
+        end;
+        else if msg="ERROR: User does not have appropriate authorization "!!
+          "level for library SAVE."
+        then do;
+          msg=catx(" ",
+            "ERROR: User does not have appropriate authorization level",
+            "for library %upcase(&libref), libname:",libname,
+            "Liburi:",liburi
+          );
+        end;
+        call symputx('msg',msg,'l');
         if "&mabort"='HARD' then call symputx('mp_abort',1,'l');
       end;
       else do;
@@ -13410,22 +13429,18 @@ run;
     end;
   run;
 
-  %if &mp_abort=1 %then %do;
-    %mp_abort(iftrue= (&mp_abort=1)
-      ,mac=mm_assignlib.sas
-      ,msg=&msg
-    )
-    %return;
-  %end;
-  %else %if %length(&msg)>2 %then %do;
-    %put NOTE: &msg;
-    %return;
-  %end;
+  %put NOTE: &msg;
 
 %end;
 %else %do;
   %put NOTE: Library &libref is already assigned;
 %end;
+
+%mp_abort(iftrue= (&mp_abort=1)
+  ,mac=mm_assignlib.sas
+  ,msg=%superq(msg)
+)
+
 %mend mm_assignlib;
 /**
   @file
diff --git a/base/mp_abort.sas b/base/mp_abort.sas
index 745d952..ff8926d 100644
--- a/base/mp_abort.sas
+++ b/base/mp_abort.sas
@@ -85,7 +85,7 @@
   %end;
 
   /* Stored Process Server web app context */
-  %if %symexist(_metaport)
+  %if %symexist(_METAFOLDER)
     or "&SYSPROCESSNAME "="Compute Server "
     or &mode=INCLUDE
   %then %do;
@@ -161,12 +161,14 @@
     /* send response in SASjs JSON format */
     data _null_;
       file _webout mod lrecl=32000 encoding='utf-8';
-      length msg $32767 ;
+      length msg syswarningtext syserrortext $32767 ;
       sasdatetime=datetime();
       msg=symget('msg');
     %if &logline>0 %then %do;
       msg=cats(msg,'\n\nLog Extract:\n',symget('logmsg'));
     %end;
+      /* escape the escapes */
+      msg=tranwrd(msg,'\','\\');
       /* escape the quotes */
       msg=tranwrd(msg,'"','\"');
       /* ditch the CRLFs as chrome complains */
diff --git a/meta/mm_assignlib.sas b/meta/mm_assignlib.sas
index 68698aa..1dd3c03 100755
--- a/meta/mm_assignlib.sas
+++ b/meta/mm_assignlib.sas
@@ -13,8 +13,8 @@
   <h4> SAS Macros </h4>
   @li mp_abort.sas
 
-  @param libref the libref (not name) of the metadata library
-  @param mAbort= If not assigned, HARD will call %mp_abort(), SOFT will
+  @param [in] libref The libref (not name) of the metadata library
+  @param [in] mAbort= If not assigned, HARD will call %mp_abort(), SOFT will
     silently return
 
   @returns libname statement
@@ -28,11 +28,11 @@
     libref
     ,mAbort=HARD
 )/*/STORE SOURCE*/;
-
+%local mp_abort msg;
+%let mp_abort=0;
 %if %sysfunc(libref(&libref)) %then %do;
-  %local mp_abort msg; %let mp_abort=0;
   data _null_;
-    length liburi LibName $200;
+    length liburi LibName msg $200;
     call missing(of _all_);
     nobj=metadata_getnobj("omsobj:SASLibrary?@Libref='&libref'",1,liburi);
     if nobj=1 then do;
@@ -46,7 +46,24 @@
           * not always helpful though.  One example, previously received:
           * NOTE: Libref XX refers to the same library metadata as libref XX.
           */
-        call symputx('msg',sysmsg(),'l');
+        msg=sysmsg();
+        if msg=:'ERROR: Libref SAVE is not assigned.' then do;
+          msg=catx(" ",
+            "Could not assign %upcase(&libref).",
+            "Please check metadata permissions!  Libname:",libname,
+            "Liburi:",liburi
+          );
+        end;
+        else if msg="ERROR: User does not have appropriate authorization "!!
+          "level for library SAVE."
+        then do;
+          msg=catx(" ",
+            "ERROR: User does not have appropriate authorization level",
+            "for library %upcase(&libref), libname:",libname,
+            "Liburi:",liburi
+          );
+        end;
+        call symputx('msg',msg,'l');
         if "&mabort"='HARD' then call symputx('mp_abort',1,'l');
       end;
       else do;
@@ -65,20 +82,16 @@
     end;
   run;
 
-  %if &mp_abort=1 %then %do;
-    %mp_abort(iftrue= (&mp_abort=1)
-      ,mac=mm_assignlib.sas
-      ,msg=&msg
-    )
-    %return;
-  %end;
-  %else %if %length(&msg)>2 %then %do;
-    %put NOTE: &msg;
-    %return;
-  %end;
+  %put NOTE: &msg;
 
 %end;
 %else %do;
   %put NOTE: Library &libref is already assigned;
 %end;
+
+%mp_abort(iftrue= (&mp_abort=1)
+  ,mac=mm_assignlib.sas
+  ,msg=%superq(msg)
+)
+
 %mend mm_assignlib;
diff --git a/sasjs/sasjsconfig.json b/sasjs/sasjsconfig.json
index 780bd1f..a02229f 100644
--- a/sasjs/sasjsconfig.json
+++ b/sasjs/sasjsconfig.json
@@ -4,11 +4,8 @@
     "base",
     "ddl",
     "fcmp",
-    "meta",
-    "metax",
-    "server",
-    "viya",
     "lua",
+    "server",
     "tests/crossplatform",
     "tests/ddl"
   ],
@@ -39,6 +36,7 @@
       },
       "appLoc": "/Public/temp/macrocore",
       "macroFolders": [
+        "viya",
         "tests/viyaonly"
       ],
       "programFolders": [],
@@ -58,6 +56,8 @@
       },
       "appLoc": "/Shared Data/temp/macrocore",
       "macroFolders": [
+        "meta",
+        "metax",
         "tests/sas9only"
       ],
       "programFolders": [],
@@ -78,6 +78,7 @@
       },
       "appLoc": "/sasjs/core",
       "macroFolders": [
+        "server",
         "tests/serveronly"
       ],
       "programFolders": [],
@@ -102,6 +103,7 @@
       "serverType": "SASVIYA",
       "appLoc": "/Public/temp/macrocore",
       "macroFolders": [
+        "viya",
         "tests/viyaonly"
       ],
       "deployConfig": {
@@ -110,4 +112,4 @@
       "contextName": "SAS Job Execution compute context"
     }
   ]
-}
\ No newline at end of file
+}