Hello everyone, I hope you can help me, when I see the Hierarchy of /ERP/GL_ACCT in the administrator of BPC Web, show me the next message.

When I click in "See Detail" show me the next message.

"Error [Server]: An attempt was made to execute a dynamic method callon an initial(NULL-) object reference. The reference must refer to an object.; MsgClass: An attempt was made to execute a dynamic method callon an initial(NULL-) object reference. The reference must refer to an object.; MsgClass:"
I believe that something missing, but I do not what