XCODE crashes when I try to debug and hover over variable

XCODE crashes when I try to debug and hover over variable. Below is the message.

Exception Type: EXC_CRASH (SIGABRT)
Exception Codes: 0x0000000000000000, 0x0000000000000000
Exception Note: EXC_CORPSE_NOTIFY




XCODE crashes when I try to debug and hover over variable
 
 
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