diff --git a/base/mp_replace.sas b/base/mp_replace.sas
index 00af6d0..fcacbae 100644
--- a/base/mp_replace.sas
+++ b/base/mp_replace.sas
@@ -148,6 +148,6 @@ data _null_;
 run;
 
 /* END */
-%put &sysmacroname took %sysevalf(%sysfunc(datetime())-&dttm) seconds to run;
+*%put &sysmacroname took %sysevalf(%sysfunc(datetime())-&dttm) seconds to run;
 
 %mend mp_replace;
diff --git a/viya/mv_createfolder.sas b/viya/mv_createfolder.sas
index fdbaba1..90820fd 100644
--- a/viya/mv_createfolder.sas
+++ b/viya/mv_createfolder.sas
@@ -114,6 +114,17 @@ options noquotelenmax;
       headers "Authorization"="Bearer &&&access_token_var";
   %end;
   run;
+  %if &SYS_PROCHTTP_STATUS_CODE=401 %then %do;
+    /* relates to: https://github.com/sasjs/core/issues/400 */
+    %put 401 thrown in &sysmacroname;
+    %put sleeping: %sysfunc(sleep(10,1)) - will try once more;
+    proc http method='GET' out=&fname1 &oauth_bearer
+        url="&base_uri/folders/folders/@item?path=&newpath";
+    %if &grant_type=authorization_code %then %do;
+        headers "Authorization"="Bearer &&&access_token_var";
+    %end;
+    run;
+  %end;
   %local libref1;
   %let libref1=%mf_getuniquelibref();
   libname &libref1 JSON fileref=&fname1;
@@ -121,7 +132,7 @@ options noquotelenmax;
     iftrue=(
       &SYS_PROCHTTP_STATUS_CODE ne 200 and &SYS_PROCHTTP_STATUS_CODE ne 404
     )
-    ,mac=&sysmacroname
+    ,mac=mv_createfolder124
     ,msg=%str(&SYS_PROCHTTP_STATUS_CODE &SYS_PROCHTTP_STATUS_PHRASE)
   )
   %if &mdebug=1 %then %do;