How To Fix PK290 - Select a valid row for the start of the block

PK290 - Overview

• Message type: E = Error

• Message class: PK - Production - KANBAN

• Message number: 290

• Message text: Select a valid row for the start of the block

What causes this issue?

You selected an invalid row. It is not possible to start a block in
this row.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Please select a row in which either a kanban or a control cycle exist.

Error message extract from SAP system. Copyright SAP SE.

PK290 - Details

• The SAP error message PK290, which states "Select a valid row for the start of the block," typically occurs in the context of the SAP Production Planning (PP) module, particularly when dealing with the creation or modification of production orders, planning, or scheduling activities.
  
  Cause:
  The error usually arises due to one of the following reasons:
  
  
  Invalid Selection: The user may have selected a row in a table or list that is not valid for the operation they are trying to perform. This can happen if the selected row does not meet the criteria for the action being taken.
  
  
  Data Integrity Issues: There may be issues with the underlying data, such as missing or inconsistent entries in the database that prevent the system from processing the request correctly.
  
  
  User Authorization: The user may not have the necessary permissions to perform the action on the selected row.
  
  
  System Configuration: There may be configuration settings in the SAP