FORCDK-CORE-005
Warned by a shared forty-cdk/core check, which reports under the primitive that ran it, in development builds only.
[forty-cdk/{primitive}] FORCDK-CORE-005: A {owner} coordinates a single {claimant}, but {registered} are registered.Cause
Only the most recently registered one is coordinated; the rest are inert.
Fix
Keep one {claimant} per {owner}.
Where it comes from
projects/forty-cdk/core/src/collection/single-slot.ts:80
A value in braces is filled in when the message is reported, so the sentence in your console names the piece, input or value that failed.