SAP Message 5C685 - Internal error with authorization check for account '&1'

Diagnosis
An internal error occurred when determining your authorization foraccount &V1&.

System Response
Access to account refused.

Procedure
Inform your system administrator.

Procedure for System Administration
Look for the cause of error; the ABAP command "authority-check"delivered error code &V2& when accessing authorization object P_CH_PK.