Error: Thread 1: EXC_BAD_ACCESS (code=2, address=0x7ffeecc0cff8)

I am completely new to coding. I ran across this error: Thread 1: EXCBADACCESS (code=2, address=0x7ffeecc0cff8) and I don't know how to fix it. When I click on a button the simulator stops working and gives this code. Would anyone be willing to help with it?
Please show your code, including all the relevant parts to the button processing.
Generally, the cause of EXCBADACCESS may reside very far from the point of crashing, so you may need to show whole code.
Thank you for your response. Is there a way to show my entire code?

You can copy & paste your code into the edit area. Please do not forget to format it as code using < >.
Or you can add your source code as Text attachment.
Error: Thread 1: EXC_BAD_ACCESS (code=2, address=0x7ffeecc0cff8)
 
 
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