Xcode 7 keeps crashing opening a project (xcworkspace)

I have already deleted the xcuserdata and installed the pods, please help

Process: Xcode [7657] Path:
/Applications/Xcode.app/Contents/MacOS/Xcode Identifier:
com.apple.dt.Xcode Version: 7.2.1 (9548.1)

Build Info: IDEFrameworks-9548001000000000~2 App Item ID:
497799835 App External ID: 816142004 Code Type:
X86-64 (Native) Parent Process: ??? [1] Responsible:
Xcode [7657] User ID: 501 Date/Time:
2016-03-08 14:31:23.339 -0300 OS Version: Mac OS X 10.11.3 (15D21) Report Version: 11 Anonymous UUID:
8FA68617-F453-C688-3C68-1CE8439AAB53 Sleep/Wake UUID:
D4A9457B-2985-4548-B57A-8D9462B68A23 Time Awake Since Boot: 20000 seconds Time Since Wake: 4600 seconds

System Integrity Protection: enabled

Crashed Thread: 0 Dispatch queue: com.apple.main-thread

Exception Type: EXC_CRASH (SIGABRT) Exception Codes:
0x0000000000000000, 0x0000000000000000 Exception Note:
EXC_CORPSE_NOTIFY

Application Specific Information: ProductBuildVersion: 7C1002 UNCAUGHT EXCEPTION (NSInvalidArgumentException): data parameter is nil UserInfo: (null) Hints: None Backtrace: