How To Fix UPC091 - Überlastung des Sperrservers für Planungsgebiet &1, siehe Langtext

SAP Error Message - Details

• Message type: E = Error

• Message class: UPC - Planning: General Error Messages

• Message number: 091

• Message text: Überlastung des Sperrservers für Planungsgebiet &1, siehe Langtext

Was verursacht dieses Problem?

If transaction data is requested in change mode, this data must be
exclusively locked for a user. The lock server is currently processing
other lock requests for planning area '&V1&' and can therefore not
answer the current lock request.
When this situaton occurs the system waits for a number of seconds and
and then starts the lock request again. The lock server could still not
answer the request even after this waiting time.

Systemantwort

The requested data cannot be edited in the change mode at present.

Wie behebe ich diesen Fehler?

If this lock message occurs often then this points to a general capacity
overload of the lock server.
As a rule, the situation can only be avoided by making selections
simpler. Consult note 635244 on this.
Background Information on Locks
The system locks the data that is described by the selection of the
planning package. However, the following rules apply in addition for
manual planning:
The selection comes from the planning layout for data columns and
individually defined rows in the planning layout.
In the remaining cases the selection comes from the planning package.
If variables are contained in the planning level or planning layout,
these are replaced for the determination of the selection.
Note that in Customizing, for variables of the type hierarchy node,
attribute, and authorization, the replacement of variables can lead to
many individual characteristic values:
For hierarchy nodes the system determines all characteristic values for
the hierarchy-defining characteristic, which are contained in the
subtree and puts these in the selection.
For attribute values the system reads the master data for the attribute
and puts this in the selection.
For authorizations, the authorization object is read and the related
master data is read with the selection options of the authorization
object. The master data is then transferred into the selection.
Very complex selections can be formed in this way, which lead to a high
load of the lock server.

Vorgehensweise für Systemadministratoren

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