Frequently Asked Questions… or rather common problems that people have hit.
Read this guide
```TASK [Gathering Facts] **************** objc[43678]: +[__NSPlaceholderDate initialize] may have been in progress in another thread when fork() was called. We cannot safely call it or ignore it in the fork() child process. Crashing instead. Set a breakpoint on objc_initializeAfterForkError to debug.
### Solution:
$ export OBJC_DISABLE_INITIALIZE_FORK_SAFETY=YES ```