How To Fix CRM_SCHEDLIN101 - FB interface: Incorrect number parameter &1

SAP Error Message - Details

• Message type: E = Error

• Message class: CRM_SCHEDLIN - Schedule Lines

• Message number: 101

• Message text: FB interface: Incorrect number parameter &1

What causes this issue?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

System Response

How to fix this error?

Contact your system administrator.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CRM_SCHEDLIN101 - FB interface: Incorrect number parameter &1 ?

  The SAP error message CRM_SCHEDLIN101 with the description "FB interface: Incorrect number parameter &1" typically occurs in the context of the SAP CRM (Customer Relationship Management) system, particularly when dealing with scheduling lines or related functionalities. This error indicates that there is an issue with the number of parameters being passed to a function or interface, which does not match the expected count.
  Causes:
  
  Incorrect Configuration: The error may arise from incorrect configuration settings in the CRM system, particularly in the scheduling or interface settings.
  Data Inconsistencies: There may be inconsistencies in the data being processed, such as missing or extra parameters in the function call.
  Custom Code Issues: If there are custom enhancements or modifications in the CRM system, they may not be handling the parameters correctly.
  Version Mismatch: If there are different versions of the software components involved, it may lead to discrepancies in the expected parameters.
  
  Solutions:
  
  Check Configuration: Review the configuration settings related to the scheduling lines and the FB interface. Ensure that all required parameters are correctly set up.
  Data Validation: Validate the data being processed to ensure that it meets the expected format and contains the correct number of parameters.
  Debugging: If you have access to the development environment, use debugging tools to trace the function calls and identify where the parameter mismatch occurs.
  Review Custom Code: If there are custom developments, review the code to ensure that it correctly handles the parameters being passed to the FB interface.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes or patches that may address this specific error. Sometimes, SAP releases updates that fix known issues.
  Consult Documentation: Review the official SAP documentation for the CRM module to understand the expected parameters for the FB interface and ensure compliance.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like SE80 (Object Navigator) or SE37 (Function Module) to investigate the function modules involved in the error.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Support Tickets: If the issue persists and you have a support contract, consider opening a support ticket with SAP for further assistance.
  
  By following these steps, you should be able to identify the root cause of the CRM_SCHEDLIN101 error and implement an appropriate solution.