Issue #3359649 by arnested, shalini_jha, alexpott, arunkumark, cilefen,...

Issue #3359649 by arnested, shalini_jha, alexpott, arunkumark, cilefen, smustgrave, aduthois, catch, quietone: User routes alter in custom module throwing error on "_format"

(cherry picked from commit a6a40068)