Got a standard page layout in Classic with two chart controls on it. Today it's rending the following error under the chart
This page has an error. You might just need to refresh it. [Assertion Failed!: AuraClientService.loadClientLibrary(): ClientLibrary has not been registered: eclairng : undefined]
but that's not a part of code we have. Where do we begin to fix this? Google not turning up anything for AuraClientService.loadClientLibrary