How To Fix CH127 - External equipment number assignment not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: CH - CAD/PP integration messages

• Message number: 127

• Message text: External equipment number assignment not allowed

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CH127 - External equipment number assignment not allowed ?

  The SAP error message CH127 ("External equipment number assignment not allowed") typically occurs when there is an attempt to assign an external equipment number to a piece of equipment in a way that is not permitted by the system configuration or business rules. This error is often encountered in the context of Plant Maintenance (PM) or other modules where equipment management is involved.
  Causes:
  
  Configuration Settings: The system may be configured to prevent the assignment of external equipment numbers for certain types of equipment or in specific scenarios.
  Number Range Issues: The external number range for equipment may not be properly defined or may be exhausted.
  Authorization Issues: The user may not have the necessary authorizations to perform the action related to external equipment number assignment.
  Equipment Type Restrictions: Certain equipment types may have restrictions on how their numbers can be assigned or managed.
  Status of Equipment: The equipment may be in a status that does not allow for changes to its number assignment.
  
  Solutions:
  
  Check Configuration: Review the configuration settings in the SAP system related to equipment number assignment. This can be done in the SPRO transaction under the relevant PM settings.
  Review Number Ranges: Ensure that the number ranges for external equipment numbers are correctly defined and that there are available numbers in the range.
  User Authorizations: Verify that the user attempting the assignment has the necessary authorizations to perform this action. This can be checked in the user roles and profiles.
  Equipment Type Settings: Check if the equipment type has specific settings that restrict external number assignment. Adjust these settings if necessary.
  Equipment Status: Ensure that the equipment is in a status that allows for changes. If it is locked or in a completed status, you may need to change its status before making the assignment.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like IE01 (Create Equipment), IE02 (Change Equipment), or IE03 (Display Equipment) to manage equipment records.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on configuration settings.
  Documentation: Refer to SAP documentation or help files for detailed information on equipment management and number assignment rules.
  
  If the issue persists after checking these areas, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in the PM module for further assistance.