Not able to integrate in Swift project

[bhvk121]

Getting below crash log while Integrating in my swift project,

[RDActivityViewController copyWithZone:]: unrecognized selector sent to instance 0x133220d60
2015-07-30 16:45:07.427 Eyez[855:168570] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[RDActivityViewController copyWithZone:]: unrecognized selector sent to instance 0x133220d60'
*** First throw call stack:
(0x1828bc2d8 0x1945880e4 0x1828c33a4 0x1828c0154 0x1827c2ccc 0x102957698 0x1029575e4 0x1002b2b5c 0x1000f2584 0x187523294 0x18755a508 0x18755a0c4 0x18755932c 0x1874cbd20 0x1874cbd20 0x1873689c0 0x187361efc 0x187335120 0x1875d62b8 0x187333634 0x182874240 0x1828734e4 0x182871594 0x18279d2d4 0x18c1f36fc 0x18739af40 0x10016d640 0x194c32a08)
libc++abi.dylib: terminating with uncaught exception of type NSException