How To Fix ME266 - Please select either by activity/operation number or network number

ME266 - Overview

• Message type: E = Error

• Message class: ME - Purchasing: General Messages

• Message number: 266

• Message text: Please select either by activity/operation number or network number

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message ME266 - Please select either by activity/operation number or network number ?

  The SAP error message ME266, which states "Please select either by activity/operation number or network number," typically occurs in the context of project management or production planning when trying to access or manipulate data related to activities or operations in a network.
  
  Cause:
  This error usually arises when the system expects a selection based on either an activity/operation number or a network number, but neither has been provided, or the provided input does not meet the required criteria. This can happen in various scenarios, such as:
  
  Missing Input: The user did not enter any activity or network number.
  Incorrect Input: The input provided does not correspond to any existing activity or network in the system.
  User Authorization: The user may not have the necessary permissions to view or manipulate the specified activities or networks.
  
  
  Solution:
  To resolve the ME266 error, you can take the following steps:
  
  
  Check Input: Ensure that you have entered either a valid activity/operation number