Update

2023/scripts/animation_tools/atools/animTools/animBar/subUIs/specialTools_subUIs/fakeConstrain.py

@@ -127,9 +127,12 @@ class FakeConstrain(object):
         self.targetObj  = "world"
         
         for loopObj in self.sourceObjs:        
-            matrix     = cmds.xform(loopObj, query=True, ws=True, matrix=True)
-
-            self.copyCache.append(matrix)
+            try:
+                matrix     = cmds.xform(loopObj, query=True, ws=True, matrix=True)
+                self.copyCache.append(matrix)
+            except RuntimeError:
+                # Object doesn't exist or is invalid, skip silently
+                pass
 
         
         cmds.iconTextButton("fakeConstrainBtn", edit=True, image= uiMod.getImagePath("specialTools_fake_constrain_active"),         highlightImage= uiMod.getImagePath("specialTools_fake_constrain_active copy"))

2023/scripts/animation_tools/atools/animTools/animBar/subUIs/specialTools_subUIs/microTransform.py

@@ -282,8 +282,12 @@ class MicroTransform(object):
              
         for loopSel in sel:            
             for loopAttr in self.attributes:
-                val = cmds.getAttr("%s.%s"%(loopSel, loopAttr))
-                self.microTransformValues["%s_%s"%(loopSel, loopAttr)] = val
+                try:
+                    val = cmds.getAttr("%s.%s"%(loopSel, loopAttr))
+                    self.microTransformValues["%s_%s"%(loopSel, loopAttr)] = val
+                except (ValueError, RuntimeError):
+                    # Attribute doesn't exist, skip silently
+                    pass