diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7b9ec9a..0f9ddc3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Change Log
 
+## [1.61.1] 2024-01-30
+### Added
+- <code>&dollar;{workspaceFolder:<em>name</em>:nomsg}</code>: option to suppress error message
+
 ## [1.61.0] 2023-12-19
 ### Added
 - `openDialog`: get file path from the OS File/Directory open dialog
diff --git a/README.md b/README.md
index c1ff82e..6be54b7 100644
--- a/README.md
+++ b/README.md
@@ -2123,6 +2123,7 @@ VSC does not perform [variable substitution](https://code.visualstudio.com/docs/
 * <code>&dollar;{userHome}</code> : the path of the user's home folder
 * `${workspaceFolder}` : the path of the workspace folder opened in VS Code containing the current file.
 * <code>&dollar;{workspaceFolder:<em>name</em>}</code> : the path of the workspace folder with the specified _name_ opened in VS Code
+* <code>&dollar;{workspaceFolder:<em>name</em>:nomsg}</code> : same as <code>&dollar;{workspaceFolder:<em>name</em>}</code> but there will be no ErrorMessage shown.
 * `${workspaceFolderBasename}` : the name of the workspace folder opened in VS Code containing the current file without any slashes
 * `${file}` : the current opened file (the file system path)
 * `${relativeFile}` : the current opened file relative to workspaceFolder
diff --git a/extension-common.js b/extension-common.js
index 67d8853..f5e68d4 100644
--- a/extension-common.js
+++ b/extension-common.js
@@ -31,6 +31,8 @@ function setAsDesktopExtension() {
   gWebExtension = false;
 }
 
+function setShowErrMsg(b) { utils.setShowErrMsg(b); }
+
 const PostfixURI = '@URI@';
 
 let numberStore = {};
@@ -646,6 +648,7 @@ module.exports = {
   activate,
   deactivate,
   showDeprecationMessage,
+  setShowErrMsg,
   gDeprecationRememberPickVariable,
   gDeprecationRememberPickCommand,
   storeStringRemember,
diff --git a/extension.js b/extension.js
index e51b381..c789932 100644
--- a/extension.js
+++ b/extension.js
@@ -312,8 +312,10 @@ function activate(context) {
         return workspaceFolder.uri.fsPath;
       });
     });
-    result = variableReplaceAndFilter(result, 'workspaceFolder:(.+?)', 1, (m, p1) => {
+    result = variableReplaceAndFilter(result, 'workspaceFolder:(.+?)(:nomsg)?', 2, (m, p1, p2) => {
+      if (p2) { common.setShowErrMsg(false); }
       let wsf = common.getNamedWorkspaceFolder(p1);
+      if (p2) { common.setShowErrMsg(true); }
       if (!wsf) { return 'Unknown'; }
       return wsf.uri.fsPath;
     });
diff --git a/package.json b/package.json
index 5cb709a..59c1397 100644
--- a/package.json
+++ b/package.json
@@ -4,7 +4,7 @@
   "description": "Calculate command variables for launch.json and tasks.json",
   "publisher": "rioj7",
   "license": "MIT",
-  "version": "1.61.0",
+  "version": "1.61.1",
   "engines": {"vscode": "^1.55.0"},
   "categories": ["Other"],
   "keywords": ["command","variable","launch","tasks","date","multi-root ready","pick","file","key","value","uuid","clipboard","number","remember"],
diff --git a/utils.js b/utils.js
index 6c2e6a9..447ac85 100644
--- a/utils.js
+++ b/utils.js
@@ -10,9 +10,14 @@ function utf8_to_str (src, off, lim) {  // https://github.com/quicbit-js/qb-utf8
   return decodeURIComponent(s);
 }
 
+let showErrMsg = true;
+function setShowErrMsg(b) { showErrMsg = b; }
+function getShowErrMsg() { return showErrMsg; }
 function getProperty(obj, prop, deflt) { return obj.hasOwnProperty(prop) ? obj[prop] : deflt; }
 function getDefaultProperty(obj, deflt) { return getProperty(obj, 'default', deflt); }
-function errorMessage(msg, noObject) { vscode.window.showErrorMessage(msg); return noObject ? noObject : "Unknown";}
+function errorMessage(msg, noObject) {
+  if (getShowErrMsg()) { vscode.window.showErrorMessage(msg); }
+  return noObject ? noObject : "Unknown";}
 function fileNotInFolderError(noObject) { return errorMessage('File not in Multi-root Workspace', noObject); }
 function isString(obj) { return typeof obj === 'string';}
 function isArray(obj) { return Array.isArray(obj);}
@@ -22,5 +27,5 @@ function dblQuest(value, deflt) { return value !== undefined ? value : deflt; }
 function nUp(i) { return i===0 ? '' : i.toString()+'Up'; }
 
 module.exports = {
-  getProperty, getDefaultProperty, errorMessage, fileNotInFolderError, isString, isArray, isObject, range, dblQuest, nUp, utf8_to_str
+  getProperty, getDefaultProperty, errorMessage, setShowErrMsg, fileNotInFolderError, isString, isArray, isObject, range, dblQuest, nUp, utf8_to_str
 }