Electronic – Altium Redundant ECO

altium

Hello I am doing board layout in Altium but whenever I import changes from schematics Altium performs a redundant ECO where it just adds and deletes the same 39 components. For example:

1) I import changes from my schematic file and get an error that 39 components can't match:
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2) For some reason it can't match component classes even tho the class names are the same…
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3) So I match Components from sheet 7 with components from sheet 7 and components from sheet 8 with components from sheet 8:
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4) Click continue to issue an ECO but all Altium does is remove those 39 components (and all their respective nets and footprints) and then just re-adds them without making any actual change to the board:

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No changes on the board happen. What am I doing wrong?

Best Answer

Try this:

Go to the PCB.
Click Project --> Component Links.
Make sure all the parts are linked.
Click OK.

Go to the SCH.
Design --> Update PCB.
There should be nothing to update.

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