How To Fix FCOM_PLANNING_CORE156 - Field &1 only allows single value selection.

SAP Error Message - Details

• Message type: E = Error

• Message class: FCOM_PLANNING_CORE - Messages for Package FCOM_PLANNING_CORE

• Message number: 156

• Message text: Field &1 only allows single value selection.

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 FCOM_PLANNING_CORE156 - Field &1 only allows single value selection. ?

  The SAP error message FCOM_PLANNING_CORE156 indicates that a specific field (denoted as &1 in the message) is configured to accept only a single value, but the user has attempted to select multiple values for that field. This is a common issue in SAP applications where certain fields are restricted to single-value input due to the underlying data model or business logic.
  Cause:
  
  Field Configuration: The field in question is set up in the system to accept only one value. This could be due to the way the data model is designed or the specific requirements of the business process.
  User Input: The user may have inadvertently selected multiple values from a dropdown or input field that is not designed to handle multiple selections.
  Custom Development: If there are custom developments or enhancements in the system, they might not be handling the field correctly, leading to this error.
  
  Solution:
  
  Review Field Settings: Check the configuration of the field in the relevant transaction or application. Ensure that it is indeed set to accept only a single value.
  Correct User Input: Instruct the user to select only one value for the field. If they are using a selection screen or dropdown, ensure they are aware that multiple selections are not allowed.
  Validation Logic: If you are a developer or have access to the backend, review any validation logic or custom code that might be affecting this field. Ensure that it aligns with the intended functionality.
  Consult Documentation: Refer to the SAP documentation or help files related to the specific transaction or module you are working with to understand the expected behavior of the field.
  Testing: If changes are made to the configuration or custom code, perform thorough testing to ensure that the issue is resolved and that the field behaves as expected.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error message or provide additional context.
  User Training: Provide training or documentation to users to help them understand the limitations of certain fields and how to properly input data.
  Support: If the issue persists and cannot be resolved through configuration or user input correction, consider reaching out to SAP support for further assistance.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to prevent it from occurring in the future.