Updating Indexes for block *Model_Space
I get this message when saving a drawing (in Plant 3D 2018): Updating Indexes for block *Model_Space.
It is a drawing with x-refs in it (overlay). When i want to open a loaded x-ref i get the message that the drawing is write-protected.
I have read possible solutions on the forum, but none of them is a solution for me?
Does anyone have a solution?
regards, Jan
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