SAP Message 5P428 - & No write authorization for cluster PS / PT

Diagnosis
You have tried to generate a schema or run payroll using a schema thatwas not generated. The results are stored in the file PCL2 in clustersPS and PT. However, you are not authorized to write to this cluster.

Procedure
Have your system administrator give you a read and write authorizationfor the object RPPCLX containing the fields RELID and AUTHC. The fieldRELID must contain the values 'PS' and 'PT' and the field AUTHC thevalues 'R' and 'U'.