Il flusso di accesso al componente aggiuntivo può essere interrotto se l'utente finale ha attivato un blocco dei popup. Per saperne di più su come implementare il flusso di accesso nel caso in cui gli utenti finali attivino i blocchi popup, consulta la sezione Gestire i blocchi popup della pagina di accesso senza attrito.
[[["Facile da capire","easyToUnderstand","thumb-up"],["Il problema è stato risolto","solvedMyProblem","thumb-up"],["Altra","otherUp","thumb-up"]],[["Mancano le informazioni di cui ho bisogno","missingTheInformationINeed","thumb-down"],["Troppo complicato/troppi passaggi","tooComplicatedTooManySteps","thumb-down"],["Obsoleti","outOfDate","thumb-down"],["Problema di traduzione","translationIssue","thumb-down"],["Problema relativo a esempi/codice","samplesCodeIssue","thumb-down"],["Altra","otherDown","thumb-down"]],["Ultimo aggiornamento 2025-08-29 UTC."],[],[],null,["# Known issues\n\nThis page documents known developer concerns with the\nClassroom add-ons API.\n\nError messages\n--------------\n\nMost errors are covered in the descriptions of specific methods in the\n[reference documentation](/workspace/classroom/reference/rest). Some errors are [specific to add-ons](/workspace/classroom/reference/addons_errors).\n\nIf you're unable to troubleshoot an error on your own, reach out to your Google\ncontacts for support.\n\nCourseWork API compatibility\n----------------------------\n\nSee the [Create attachments from a third-party site](/workspace/classroom/add-ons/get-started/attachments-journey#create-attachments) guide to creating add-on\nattachments through a CourseWork flow.\n\nPop-up blockers\n---------------\n\nThe add-on sign-in flow can be disrupted if the end user has enabled a pop-up\nblocker. See the [manage pop-up blockers section of the frictionless sign-in\npage](/workspace/classroom/add-ons/developer-guides/frictionless-signin#manage_pop-up_blockers) for more information about how to implement the sign-in flow in the event\nthat end users enable pop-up blockers.\n\nMulti-login\n-----------\n\nMulti-login is not supported for add-ons. See the [multi-login section of the\nfrictionless sign-in page](/workspace/classroom/add-ons/developer-guides/frictionless-signin#multi-login) for more information about multi-login issues and\npossible workarounds."]]