How To Fix RM173 - A maximum of six activities allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: RM - Messages for Repetitive Manufacturing

• Message number: 173

• Message text: A maximum of six activities allowed

What causes this issue?

You can create a maximum of six activities per operation when
backflushing actual activities.

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?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RM173 - A maximum of six activities allowed ?

  The SAP error message RM173, which states "A maximum of six activities allowed," typically occurs in the context of project management or production planning within SAP. This error indicates that you are trying to assign more than the allowed number of activities to a particular object, such as a work breakdown structure (WBS) element, network, or production order.
  Cause:
  The primary cause of this error is that SAP has a predefined limit on the number of activities that can be assigned to certain objects. In many cases, this limit is set to six activities. When you attempt to add more than six activities, the system generates this error message.
  Solution:
  To resolve the RM173 error, you can consider the following approaches:
  
  
  Review Activity Assignment: Check the activities you are trying to assign. If you have more than six, you will need to prioritize which activities are essential and remove any that are not necessary.
  
  
  Consolidate Activities: If possible, consolidate similar activities into a single activity. This can help you stay within the limit while still capturing the necessary work.
  
  
  Use Sub-Activities: If your project structure allows it, consider breaking down the activities into sub-activities or using a different hierarchy that can accommodate more than six activities.
  
  
  Check Configuration Settings: In some cases, the limit may be configurable. Consult with your SAP administrator or technical team to see if the maximum number of activities can be increased in the system settings.
  
  
  Consult Documentation: Review SAP documentation or help resources for any specific guidelines related to the object you are working with. There may be additional recommendations or best practices.
  
  
  Seek Support: If you are unable to resolve the issue on your own, consider reaching out to your SAP support team or consulting with SAP experts who can provide further assistance.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any updates or patches related to this error message. Sometimes, SAP releases notes that address specific issues or provide additional configuration options.
  Transaction Codes: Familiarize yourself with relevant transaction codes that may help you manage activities, such as CJ20N (Project Builder) or CN21 (Create Network).
  User Roles and Permissions: Ensure that you have the appropriate permissions to modify activities and that your user role is set up correctly in the system.
  
  By following these steps, you should be able to address the RM173 error and continue with your project or planning activities in SAP.