Error computing the worker run configuration "save" button inner text

TypeError: this.workerConfigurations[this.workerId][this.configurationId] is undefined

Visible loading this page (as admin) : https://preprod.arkindex.teklia.com/process/78d648d1-6594-4473-8698-c2806a9c4809/configure
It is weird because it does not seems to be sent to Sentry.