Fix Notion ‘Slack Integration Cannot Post’ on Specific Channel Type

When you connect Notion to Slack, you may see the error “Slack Integration Cannot Post” for a specific channel type. This error means Notion cannot send messages to the channel you selected. The root cause is usually a permission mismatch between the Slack integration and the channel’s access rules. This article explains why the error … Read more

Fix Notion ‘Comment Mention Cannot Notify’ Specific Member Type

When you mention a specific member in a Notion comment, that member may not receive a notification. This problem occurs because Notion’s notification engine can fail to deliver mentions to guest accounts, members without edit access, or users whose account settings block notifications. This article explains why the mention notification fails for certain member types … Read more

Why Notion ‘View Cannot Be Reordered’ Despite Drag-and-Drop Active

When you try to reorder views in a Notion database by dragging them, you may see the error message that the view cannot be reordered even though drag-and-drop appears active. This happens because Notion enforces specific rules about which views can be moved and under what conditions. The error typically occurs when you attempt to … Read more

Fix Notion ‘API Request Failed’ on Specific Database Property Type

When you try to update or view a Notion database property, the error API Request Failed appears. This error often targets a specific property type such as a Relation, Rollup, Formula, or Select field. The root cause is usually a corrupted property configuration, a broken relation between databases, or an incompatible formula that causes the … Read more

Fix Notion ‘API Request Failed’ on Specific Database Property Type

When you try to update or view a Notion database property, the error API Request Failed appears. This error often targets a specific property type such as a Relation, Rollup, Formula, or Select field. The root cause is usually a corrupted property configuration, a broken relation between databases, or an incompatible formula that causes the … Read more

How to Resolve Notion ‘Workspace Cannot Be Renamed’ After Domain Lock

When you try to rename your Notion workspace, you may see the error message “Workspace Cannot Be Renamed” even though you are the workspace owner. This typically happens after you or your organization locked the workspace domain to a custom domain like yourcompany.notion.site. The domain lock feature prevents workspace name changes because the workspace name … Read more