How To Fix FMCA_TRM_MD122 - Time overlap not allowed according to cardinality setting

SAP Error Message - Details

• Message type: E = Error

• Message class: FMCA_TRM_MD - PSCD: Master Data for TRM

• Message number: 122

• Message text: Time overlap not allowed according to cardinality setting

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message FMCA_TRM_MD122 - Time overlap not allowed according to cardinality setting ?

  The SAP error message FMCA_TRM_MD122 indicates that there is a time overlap in the assignment of a resource or activity, which is not allowed according to the cardinality settings defined in the system. This typically occurs in the context of project management, resource planning, or scheduling within SAP.
  Cause:
  The error is caused by the following scenarios:
  
  Overlapping Time Periods: Two or more activities or resources are scheduled to occur at the same time, which violates the cardinality rules set in the system.
  Cardinality Settings: The system has been configured to prevent overlapping assignments for certain resources or activities, which can be due to business rules or operational constraints.
  Incorrect Data Entry: There may be an error in the data entry of the start and end times for activities or resources, leading to overlaps.
  
  Solution:
  To resolve the FMCA_TRM_MD122 error, you can take the following steps:
  
  
  Check Activity/Resource Schedule:
  
  Review the schedule of the activities or resources involved. Ensure that there are no overlapping time periods.
  Adjust the start and end times of the conflicting activities or resources to eliminate overlaps.
  
  
  
  Review Cardinality Settings:
  
  Check the cardinality settings in the system to understand the rules that are applied. If necessary, consult with your SAP administrator or functional consultant to modify these settings if they are too restrictive for your business needs.
  
  
  
  Data Validation:
  
  Validate the data entries for the activities or resources. Ensure that the times are entered correctly and that there are no typographical errors.
  
  
  
  Use Alternative Resources:
  
  If the overlap cannot be resolved by adjusting times, consider using alternative resources or activities that do not conflict with the existing schedule.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidance on handling cardinality settings and scheduling conflicts.
  
  
  
  Related Information:
  
  Cardinality in SAP: Cardinality refers to the rules that define how many instances of one entity can be associated with instances of another entity. In the context of scheduling, it often relates to how many resources can be assigned to a task at the same time.
  SAP Notes and Support: If the issue persists, consider checking SAP Notes for any known issues or patches related to this error. You can also reach out to SAP support for assistance.
  Training and Best Practices: Ensure that users involved in scheduling and resource management are trained on best practices to avoid such conflicts in the future.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.