This message appears for one of the following reasons:

Firstly, Check the client creation limit of the Spectrum software. 

To do so, open Spectrum, go to "Profile" → "My Subscribed Plan"

            

            

If the number of clients and returns is below the limit, then please make sure that the software should be renewed for the current period(Check Valid Till Date).

Secondly, if the client limit is exceeding then the user is required to Change Plan the software to increase the client limit.

For product Change Plan, the user may either contact KDK Support on the helpline number (079-69-012345), email (sales@kdksoftware.com) or contact a local vendor from whom the product has been purchased. If the issue occurs on the LAN system and is working properly on the server system, then there is a requirement for re-configuring the LAN setting on that particular system.

For LAN setting, the user should follow the link given below: LAN Setting Procedure