Go to the BP_WoodDoor blueprint and select the Location variable and set it to Replicated. Then create a new custom event called open to the location shown below.

Add the highlighted nodes shown in the image below, location at the top of the image.

Now do the exact same thing in the BP_BasicDoor.

Next go to the location shown below and add a new custom event called open and connect it up like the image below shows.

Add the highlighted nodes shown in the image below, location at the top of the image.