3577233 - SM01_CUS | A local application start lock cannot be unlocked in a productive client if the mandant column shows a '*'

You want to remove a local application start lock of a locked T-Code via SM01_CUS. 
When checking the lock status in T-Code SM01_CUS for the affected T-Code you notice that a '*' is set in column 'Client'.

As of SAP_BASIS 750 SP03 

AND 

as of SAP KERNEL 7.45 PL 114

SM01_CUS, *, star, local application start lock, unlock, unlocking does not work , KBA , BC-SEC-AIS , System Audit Information System , How To