This article provides a solution for missing labels after upgrading Lasernet Connector for Microsoft Dynamics AX 2012.
Resolution
Stop the AOS services.
Locate the LAC label files (axLAC*.*). These can generally be found in
C:\Program Files\Microsoft Dynamics AX\60\Server\MicrosoftDynamicsAX\bin\Application\Appl\Standard.Delete all the files named axLACxxx.alx.
Restart the AOS services.
Additional information
If you are in doubt about having the latest label files, contact your reseller.