How To Fix CH307 - The combination "& &" is not a valid function

SAP Error Message - Details

• Message type: E = Error

• Message class: CH - CAD/PP integration messages

• Message number: 307

• Message text: The combination "& &" is not a valid function

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 CH307 - The combination "& &" is not a valid function ?

  The SAP error message CH307, which states "The combination '& &' is not a valid function," typically occurs in the context of SAP's Controlling (CO) module, particularly when dealing with cost center accounting or internal orders. This error indicates that the system is unable to recognize the specified combination of parameters or functions that you are trying to use.
  Cause:
  
  Invalid Function Combination: The error usually arises when the combination of parameters (like cost centers, internal orders, or other controlling objects) does not correspond to a valid function or is not defined in the system.
  Configuration Issues: There may be configuration issues in the controlling area or the specific settings for the cost centers or internal orders.
  Missing Master Data: The required master data (like cost centers or internal orders) may not be set up correctly or may be missing.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to access certain functions or data.
  
  Solution:
  
  Check the Parameters: Verify the parameters you are using in the transaction. Ensure that they are correctly entered and correspond to valid entries in the system.
  Review Configuration: Check the configuration settings in the controlling area. Ensure that the combinations of cost centers, internal orders, or other controlling objects are correctly defined.
  Master Data Verification: Ensure that all necessary master data is created and active. For example, check if the cost centers or internal orders you are trying to use are active and correctly configured.
  Authorization Check: Ensure that the user has the necessary authorizations to perform the action. You may need to consult with your SAP security team to verify this.
  Consult Documentation: Refer to SAP documentation or help resources for specific details about the functions you are trying to use and their valid combinations.
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may be using transaction codes like KSB1 (Cost Centers: Actual Line Items), KOB1 (Orders: Actual Line Items), or others related to controlling.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Community Forums: Consider searching or posting in SAP community forums or discussion groups for additional insights from other users who may have encountered the same issue.
  
  If the problem persists after checking these areas, it may be beneficial to involve your SAP support team or a consultant who specializes in SAP Controlling for further assistance.