NSArray element failed to match the Swift Array

NSDictionary array used in the application.

 

But some items are null.

 

selectedCategory [NSDictionary] 24 values

[0] __NSDictionaryM * 3 key/value pairs 0x00000002811ccde1

[1] __NSDictionaryM * 3 key/value pairs 0x00000002811ccde2

[2] NSNull * 0x1ef2e5810 0x00000001ef2e5813

[3] __NSDictionaryM * 3 key/value pairs 0x00000002811ccde4

[4] __NSDictionaryM * 3 key/value pairs 0x00000002811ccde5

[5] NSNull * 0x1ef2e5810 0x00000001ef2e5816

[6] __NSDictionaryM * 3 key/value pairs 0x00000002811ccde7

[7] __NSDictionaryM * 3 key/value pairs 0x00000002811ccde8

 

 

“selectedCategory[index]”

 

 

If the item is null during the query, the program returns an error and closes.

 

Error Detail : NSArray element failed to match the Swift Array Element type

Expected NSDictionary but found NSNull

 

I tried all the ways, but I couldn’t get the result. What should I do?

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