Error: Unknown library

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Error: Unknown library
    at Credits (/opt/chessmonitor/packages/frontend/.next/server/pages/credits-license.js:52:20)
    at Wc (/opt/chessmonitor/node_modules/react-dom/cjs/react-dom-server.browser.production.min.js:68:44)
    at Zc (/opt/chessmonitor/node_modules/react-dom/cjs/react-dom-server.browser.production.min.js:70:253)
    at Z (/opt/chessmonitor/node_modules/react-dom/cjs/react-dom-server.browser.production.min.js:76:89)
    at Zc (/opt/chessmonitor/node_modules/react-dom/cjs/react-dom-server.browser.production.min.js:70:481)
    at Z (/opt/chessmonitor/node_modules/react-dom/cjs/react-dom-server.browser.production.min.js:76:89)
    at Xc (/opt/chessmonitor/node_modules/react-dom/cjs/react-dom-server.browser.production.min.js:68:409)
    at Zc (/opt/chessmonitor/node_modules/react-dom/cjs/react-dom-server.browser.production.min.js:70:210)
    at Z (/opt/chessmonitor/node_modules/react-dom/cjs/react-dom-server.browser.production.min.js:76:89)
    at Zc (/opt/chessmonitor/node_modules/react-dom/cjs/react-dom-server.browser.production.min.js:74:209)