How do i fix this bug

when i want my blueprint target to target another blueprint he target my blueprint character for no reason and he dose not target the blueprint that i want to target . can any one help

Can you provide a screenshot of your BP?

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1- i make blueprint to communication another blueprint

2- the first blueprint is box collision and on begin overlap he will open a level

3- The second blueprint is box collision and on begin overlap he will move the first blueprint by use blueprint target to communication

4- i set 2 blueprint in level and i set the target and i need to copy this 2 blueprint 20 time to set in level

5- when my blueprint character overlap The second blueprint its work for the first but when i move to another blueprint same The second blueprint sometime its dose not work sometime he target my blueprint character for no reason