SAP ABAP Message Class 5W Message Number 222 (& is not a valid object type for a task.)
Hierarchy
SAP_BASIS (Software Component) SAP Basis Component
   BC-BMT-OM (Application Component) Organizational Management
     SP00 (Package) Organization and Planning
Attribute
Message class 5W  
Short Description Messages for PD (Particularly Workflow)    
Message Number 222  
Documentation status       Space: object requires documentation
Authorization check Error Message      
Changed On 20080612   
Message Text
& is not a valid object type for a task.
Help Document

Diagnosis

You did not enter a valid object type for the task.

Procedure

Please enter a valid object type.

History
Last changed on/by 20141121  SAP 
SAP Release Created in