How To Fix UD616 - Movability deactivated (Positions are not saved)

SAP Error Message - Details

• Message type: E = Error

• Message class: UD - EDM - Enterprise Data Model

• Message number: 616

• Message text: Movability deactivated (Positions are not saved)

What causes this issue?

Movability was deactivated for entity types.

System Response

You must be in positioning mode to be able to save entity type
positions in a data model. To activate positioning mode, select
<LS>Positioning on/off</> under menu option <LS>Edit</> in the graphics
maintenance mode.
You cannot save entity type positions without assigning them to a data
model.

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.