MergeCommit

app/DD_PM_WINDREAM/frmMassValidator.vb

@@ -1543,12 +1543,16 @@ Public Class frmMassValidator
                             Dim chk As CheckBox = oControl
                             oMyControlInput = chk.Checked.ToString
 
-                            If chk.Checked = False And _MUSSEINGABE = True Then
+                            If chk.CheckState = CheckState.Indeterminate And _MUSSEINGABE = True Then
                                 oMissing = True
                                 oErrorMessage = "Option '" & chk.Name & "' is required."
                                 Exit For
                             End If
 
+                            If chk.CheckState = CheckState.Indeterminate Then
+                                LOGGER.Debug("Checkbox {0} is indeterminate. Skipping indexing.", chk.Name)
+                                Exit For
+                            End If
 
                             Dim result() As String
                             ReDim Preserve result(0)