[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Page](./puppeteer.protocol.page.md) > [InstallabilityError](./puppeteer.protocol.page.installabilityerror.md) > [errorId](./puppeteer.protocol.page.installabilityerror.errorid.md) ## Protocol.Page.InstallabilityError.errorId property The error id (e.g. 'manifest-missing-suitable-icon'). Signature: ```typescript errorId: string; ```