I put the key (sorry for the pun?) So that your problem is here:
Illegal entitlement key/value pair: com.apple.developer.ubiquity-kvstore-identifier, 894BCL9P67.com.manahan.thoughtspreader Illegal entitlement key/value pair: com.apple.developer.ubiquity-container-identifiers, <CFArray 0x10d10aa10 [0x7fff7d96cea0]>{type = mutable-small, count = 1, values = (...
Is your application id still 894BCL9P67.com.manahan.thoughtspreader ?
Or are these keys changed / need to be updated? (according to the instructions here ?)
This link assumes that you need the command identifier, not the seed of your application identifier. YMMV. (Apple documents these keys here , proposes the same thing. I assume that you are using iCloud or setting up your project to use it initially.)
For those unfamiliar with the w / iCloud setup, you can change the meaning of these keys here:

This settings panel is part of the summary below your project file. Select the desired target and the Summary tab as shown below (then scroll down):

The Apple documentation for setting them up is here .
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