Accessed None trying to read property error when trying to call an event dispatcher

[Everynone]

Since you already have actors sitting pretty in the scene, we can use the Level Blueprint:

• reference both actors in the LB (drag & drop):

• have a Custom Event in the WaveBar_BP :

• use the LB to facilitate the comms:

The above translates to: when the Start Button is clicked in the PlayerCard_BP's 3dWidgetComponent's Widget (PlayerCard BP) (what a mouthful!), we call the Custom Event in the WaveBar_BP.

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Another way, using a hard reference inside one of the BPs:

• in the WaveBar_BP:

• in the scene, tell the WaveBar_BP which BP_WidgetHolder you mean:

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More reading:

Quick Start Guide to Referencing Actors in Unreal Engine