ios - MKTileOverlay not defined -


i have simple map application using openstreetmap works on iphone simulators ( xcode 6.1, ios 7.1 & 8.1 ). however, when compile on real device (iphone 4 ios 7.1), encounter issues (see screenshot), application doesn't recognize classes, such mktileoverlay, mkoverlayrender, etc.

http://dealweb.fr/p.png

the weirdest thing worked few weeks ago, then, after worked on project, when come one, problem appeared.

maybe problem coming xcode or device's configuration? searched several days, without success, tell me went wrong?

sorry couldn't post screenshot, hadn't enought point guys ^^! did delete framework lot of times, don't seem work, try unistall xcode & re-install it, & bug fix.

i hope won't happend horrible.

thanks answer guys !


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