No Visible @interface error in ios -


im getting following issue in ios how clear , run code successfully.

the issue is:

"no visible @interface 'viewcontroller' declares selector 'performselector:afterdelay:'".

there no such function performselector:afterdelay:.

looking @ docs function includes "performselector" , "afterdelay" is...

performselector:withobject:afterdelay:

and

performselector:withobject:afterdelay:inmodes:

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