How To Fix QP291 - Dynamic modification rule &1 is only possible for optional characs

QP291 - Overview

• Message type: E = Error

• Message class: QP - Message IDs for function module group QPAA

• Message number: 291

• Message text: Dynamic modification rule &1 is only possible for optional characs

What causes this issue?

You want to dynamically modify a characteristic that is not a required
characteristic using a dynamic modification rule, or the system has set
this dynamic modification rule for the inspection characteristic as a
default value based on the entries in the task list header. However,
you cannot dynamically modify an optional characteristic

System Response

If you are in change mode, the system automatically cancels the dynamic
modification rule specification in the inspection characteristic.

How to fix this error?

Check whether this inspection characteristic should be a required
characteristic, and if necessary, change the control indicator of the
inspection characteristic.
Manually cancel the dynamic modification rule specification, if you are
in change mode and the inspection characteristic should be an optional
characteristic.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message QP291 - Dynamic modification rule &1 is only possible for optional characs ?

  The SAP error message QP291 indicates that there is an issue with a dynamic modification rule in the context of quality management (QM) or characteristics in the SAP system. Specifically, this error occurs when you attempt to apply a dynamic modification rule to a characteristic that is not defined as optional.
  
  Cause:
  The error arises when:
  
  You are trying to use a dynamic modification rule for a characteristic that is mandatory or not set as optional.
  The configuration of the characteristic does not allow for dynamic modification, which is typically reserved for optional characteristics.
  
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Characteristic Settings:
  
  Go to the characteristic configuration in the SAP system.
  Verify if the characteristic in question is set as optional. If it is not, you may need to change its settings to make it optional if that aligns with your business requirements.
  
  
  
  Modify Dynamic Modification Rules:
  
  Review the dynamic modification rules you have set