Error in Message Log with "Is Simulating Physics"

Hello…
I have A Problem with the Node “Is Simulating Physics”
I have a Tick Event, to check if the player can interact with an object. This changes the appearence of the crosshair.
Everithing works perfect, but i get a million Error Warnings in the Message Log, saying:

Blueprint Runtime Error: Accessed None trying to read property CallFunction_BreakHitResult_HitComponnent3 from Funktion: ExecuteUbergraph_FirstPersonCharacter from Node: Branch in Graph: EventGraph in object FirstPersonCharacter with description: Accessed None trying to read property CallFunction_BreakHitResult_HitComponnent3