Each output string of the ReleaseProcessScript needs to be looked at and judged on whether the words are spelled and cased correctly.
Concrete example in read_functions.ps1 in function Read-Ancestor-Choice
"We expected to find one of following Ancestors: [$JointExpectedAncestors], but found multiple possible Ancestors."
The word "Ancestors" needs to be in all-lowercase. Quickly scrolling over the files revealed many such occurrences of words that were mistakenly spelled with an uppercase letter.