How To Fix EH500 - Action not possible. Device/installation disconnected more than once

EH500 - Overview

• Message type: E = Error

• Message class: EH - Messasge class for disconnection and reconnection

• Message number: 500

• Message text: Action not possible. Device/installation disconnected more than once

What causes this issue?

You have tried to:
Install a device
Remove a device
Allocate a device to an installation
or
Cancel such an allocation
Reverse one of the aforementioned actions
This is not possible, because the device / installation is affected by
more than one installation disconnection on the day of the action.

System Response

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

How to fix this error?

There cannot be more than one installation disconnection. Cancel all but
one installation disconnections and repeat the device action.
The disconnection documents have the numbers &SYST-MSGV1& and
&SYST-MSGV2&.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

EH500 - Details

• The SAP error message EH500, which states "Action not possible. Device/installation disconnected more than once," typically occurs in the context of SAP's Plant Maintenance (PM) or Customer Service (CS) modules. This error indicates that the system has detected that a device or installation has been disconnected multiple times, which may prevent further actions from being performed on that device or installation.
  Causes:
  
  Multiple Disconnections: The device or installation has been disconnected more than once in a short period, which may be due to operational issues or incorrect handling.
  System Configuration: There may be configuration settings in SAP that limit the number of allowed disconnections for a device or installation.
  Data Integrity Issues: There could be inconsistencies in the data related to the device or installation, leading to the system flagging it as problematic.
  User Permissions: The user may not have the necessary permissions to perform actions on the device or installation after multiple disconnections.
  
  Solutions:
  
  Check Device