Error codes · Declarations and their clauses
PW0350
redirect_names_a_case
The program must hold to this: a page's redirect_on names a case a query it reads can answer, which carries the one parameter of the page's route, and says whether the move is permanent.
The decisions behind it
Reading the diagnostic
pw check prints the code in brackets, [PW0350], with the sentence above and the place in your program. Errors and diagnostics explains how to read one, and every code is listed with its rule.