How To Fix 5A321 - &1 relationships of &2 &3 exceed working hours by &4 %

SAP Error Message - Details

• Message type: E = Error

• Message class: 5A - Basis Personnel Management

• Message number: 321

• Message text: &1 relationships of &2 &3 exceed working hours by &4 %

What causes this issue?

You are currently attempting to edit a relationship of the specified
object. The type of the relationship is also specified in the message.
According to table T77VA, it is necessary to carry out a percentage
check for this relationship in order to find out whether there is any
variance between the number of working hours approved for this object
and the employment hours of the person related to it. The staffing
percentages are also taken into account.
In this table, you can also determine whether this message is issued as
information (I), a warning message (W) or an error (E).
For transactions in PA Master Data Administration:
You are working with activated integration between the PA master and
PD. The PA Master transaction which you are currently carrying out also
results in changes in the background for PD. These changes trigger a
check, the results of which are displayed with this message.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 5A321 - &1 relationships of &2 &3 exceed working hours by &4 % ?

  The SAP error message 5A321 indicates that the relationships between certain objects (like activities, tasks, or resources) exceed the defined working hours by a specified percentage. This typically occurs in project management or resource planning scenarios within SAP, particularly in modules like SAP Project System (PS) or SAP Resource Management.
  Cause:
  The error arises when the cumulative working hours of the relationships between the specified objects exceed the allowed limit. This can happen due to:
  
  Over-allocation of resources.
  Incorrectly defined working hours or calendars.
  Misconfigured project settings or resource assignments.
  Changes in project scope that lead to increased workload without adjusting the working hours.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Review Resource Allocation:
  
  Check the allocation of resources to ensure they are not over-allocated. You can do this by reviewing the resource assignments in the project.
  
  
  
  Adjust Working Hours:
  
  If the working hours are too restrictive, consider adjusting the working hours or the calendar settings for the resources involved.
  
  
  
  Reassess Project Scope:
  
  If the project scope has changed, reassess the workload and adjust the project plan accordingly.
  
  
  
  Modify Relationships:
  
  Review the relationships between the objects (like tasks or activities) and see if they can be modified to better fit within the working hours.
  
  
  
  Use Capacity Planning Tools:
  
  Utilize SAP's capacity planning tools to analyze and optimize resource usage and availability.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidance on managing working hours and resource allocation.
  
  
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like CJ20N (Project Builder) or CATS (Cross-Application Time Sheet) to manage projects and resources.
  SAP Notes: Check for any relevant SAP Notes that might address specific issues related to this error message.
  User Exits and Enhancements: If the standard configuration does not meet your needs, consider using user exits or enhancements to customize the behavior of the system.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.