This message started popping up in my console a lot, here's how to fix it:
1. click the run-scheme you're debugging
2. click "Edit Scheme..."
3. in the "Run (debug)" tab - pick "Arguments"
4. click + in the "Environment Variables" to add an argument
5. enter "OS_ACTIVITY_MODE" as the name
6. enter "disabled" as the value
7. click close, clean project and run again!
this is how to solve this message on xcode in ios 10
[App] if we're in the real pre-commit handler we can't actually add any new fences due to CA restriction
let me know if it was helpful in the buttons below!