SAP ABAP Message Class PRP_UI Message Number 066 (You cannot delete the assignment of task &1 to the role)
Hierarchy
CPRXRPM (Software Component) SAP Portfolio and Project Management 6.0
   PPM-PRO-EXT-API (Application Component) BAPI Interface for cProjects
     DEVELOPMENT_PROJECTS_API (Package) API for Project Management
Attribute
Message class PRP_UI  
Short Description Error Messages for PRP User Interface    
Message Number 066  
Documentation status   3   The short text describes the object sufficiently
Authorization check Error Message      
Changed On 20141109   
Message Text
You cannot delete the assignment of task &1 to the role
History
Last changed on/by 20141109  SAP 
SAP Release Created in   200