Swift 4.1 error with NS Predicate EXC_BAD_ACCESS (code=1, address=0x1)



I’m hoping that someone can assist here as I cannot work this one out and the Easter holiday weekend has already passed me by trying to resolve this.


I have had no previous issues with this code in previous versions of xcode.


However, installed 9.3 at the tail end of last week and a issue has appeared.


The line of code that throws the error is a boolean predicate with all other predicates seemingly working as usual.

Other lines with similar boolean conditions also give this error.



let Currentpredicate1 = NSPredicate(format: “%K == %@”, “managed”, true as CVarArg)


Having tried to find info as well as various formats, for example,


let Currentpredicate1 = NSPredicate(format: “managed == %@”, true as CVarArg)


Yet I cannot solve this issue.


Please can anyone help or point me in the right direction of a solution?


Kindest regards,


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