https://pantheon.corp.google.com/errors/824694426202681225?time=P1D&refresh=off&project=sheriff-o-matic

TypeError: Cannot read property 'items' of null
at HTMLElement._computeBugs (https://sheriff-o-matic.appspot.com/elements/som-app.vulcanized.html:27683)
at HTMLElement._computeEffect (https://sheriff-o-matic.appspot.com/elements/som-app.vulcanized.html:4534)
at HTMLElement._effectEffects (https://sheriff-o-matic.appspot.com/elements/som-app.vulcanized.html:4357)
at HTMLElement._propertySetter (https://sheriff-o-matic.appspot.com/elements/som-app.vulcanized.html:4341)
at HTMLElement.setter (https://sheriff-o-matic.appspot.com/elements/som-app.vulcanized.html:4420)
at HTMLElement._changeBugQueueLabel (https://sheriff-o-matic.appspot.com/elements/som-app.vulcanized.html:27721)
at HTMLElement._observerEffect (https://sheriff-o-matic.appspot.com/elements/som-app.vulcanized.html:4512)
at HTMLElement._effectEffects (https://sheriff-o-matic.appspot.com/elements/som-app.vulcanized.html:4357)
at HTMLElement._propertySetter (https://sheriff-o-matic.appspot.com/elements/som-app.vulcanized.html:4341)