Windows & PC

When you try to upload a file to Notion from a specific cloud storage folder like Google Drive, Dropbox, or OneDrive, you may see the error “File Cannot Be Uploaded.” This error occurs because Notion’s upload system relies on a direct file URL rather than a shared folder link or a path that requires authentication. … Read more

You try to add a comment on a Notion page but see the message “Comment cannot be posted” and the comment box is grayed out. This happens because the page has been locked by its owner or an admin, restricting editing and commenting to specific roles. In this article, you will learn why the lock … Read more

When you try to paste or embed a link, video, or file into a Notion page, you may see the error message “Block type not supported.” This error occurs because Notion restricts certain embed sources and file formats for security and performance reasons. This article explains the technical root cause of the error, provides step-by-step … Read more

When you try to rename a property in a Notion database that was created from a synced source, you may see the error message “Property Cannot Be Renamed.” This happens because Notion restricts editing certain database properties that are controlled by the source application, such as a connected spreadsheet or a third-party tool. The error … Read more

When you try to add a sub-item to a task or project in Notion, you may see the error message Sub-Item Cannot Be Created and the action is blocked. This usually happens because the database view you are using has a sort rule applied that is incompatible with the hierarchical structure of sub-items. Notion requires … Read more

You are trying to save a view in a Notion linked database, but the error message “Database View Cannot Be Saved” appears. This error occurs because the view settings you are attempting to apply conflict with the permissions or data structure of the original source database. Notion linked databases are read-only copies that inherit their … Read more

When you attempt to use Notion AI on a database property, you may see the error “AI Cannot Be Triggered” appear. This error occurs because Notion AI requires a specific type of property to function — it cannot work on certain property types like Rollup, Formula, or Relation. This article explains which property types trigger … Read more

When you create a sub-item in a Notion database, you may see the error message “Page Title Cannot Be Empty.” This error occurs because Notion requires every database item, including sub-items, to have a title property. The problem often arises when the sub-item creation process uses a template or a quick-add action that does not … Read more

You see the error “Rollup cannot be configured” when you try to set up a rollup property in a Notion database. This error occurs because the rollup property you selected points to a source property whose data type is incompatible with the rollup’s aggregation function. For example, you cannot sum text values or count dates. … Read more

When you paste an image link from a cloud provider such as Google Drive, Dropbox, or Microsoft OneDrive into a Notion page, you may see the error “Image cannot be embedded.” This occurs because Notion relies on the image file being accessible via a direct URL that ends with a common image extension like .jpg, … Read more