ERROR_CODE 41046 invalid parameter for set_item_property

Question

Hi,
I've got a form with 3 blocks. Before the active block an indicator is shown so that it is clear for the user which block is active. The indicator actually is nothing more then a long text_field with black background.
3 of these indicators are placed on the form of which only one at a time can be visible. (property=visible)
In the when-new-block-instance trigger I try to show one and hide the other 2 leading to following code :
  SET_ITEM_PROPERTY('BK_LIST.INDICATOR1',VISIBLE,'PROPERTY_FALSE');
  SET_ITEM_PROPERTY('BK_LIST2.INDICATOR2',VISIBLE,'PROPERTY_TRUE');
  SET_ITEM_PROPERTY('BK_LIST3.INDICATOR3',VISIBLE,'PROPERTY_FALSE');This gives the FRM-41046 error message and I don't see why. I already tried a find_item on the given item names and that worked. I tried to use the item_id instead of the item_name but that gives errors as well.
Thanks for your help,
Kris
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Answer 1

Just looked at on-line help. You cannot set the visible property on the current item. You may need to go_item somewhere else before running those commands.