Uncaught (in promise) SyntaxError: Unexpected token < in JSON at position 0

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Uncaught (in promise) SyntaxError: Unexpected token < in JSON at position 0
Promise.then (async)
refreshList @ Department.js:15
componentDidMount @ Department.js:23
commitLayoutEffectOnFiber @ react-dom.development.js:23305
commitLayoutMountEffects_complete @ react-dom.development.js:24688
commitLayoutEffects_begin @ react-dom.development.js:24674
commitLayoutEffects @ react-dom.development.js:24612
commitRootImpl @ react-dom.development.js:26823
commitRoot @ react-dom.development.js:26682
performSyncWorkOnRoot @ react-dom.development.js:26117
flushSyncCallbacks @ react-dom.development.js:12042
(anonymous) @ react-dom.development.js:25651