LOCALDB_ERROR_CANNOT_CREATE_INSTANCE_FOLDER
Applies to: 
SQL Server
Details
| Attribute | Value |
|---|---|
| Product Name | SQL Server |
| Event ID | 256 |
| Event Source | SQL Server Local Database Runtime 12.0 |
| Component | Local Database Runtime API |
| Message Text | Cannot create folder for the Local Database instance at: %%LOCALAPPDATA%%\Microsoft\Microsoft SQL Server Local DB\Instances\<instance name>. |
Explanation
A folder cannot be created under %userprofile%.