How To Fix CH306 - Function "& & &" cannot be entered here

SAP Error Message - Details

• Message type: E = Error

• Message class: CH - CAD/PP integration messages

• Message number: 306

• Message text: Function "& & &" cannot be entered here

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?

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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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CH306 - Function "& & &" cannot be entered here ?

  The SAP error message CH306, which states "Function '& & &' cannot be entered here," typically occurs when a user attempts to enter a function or value in a field where it is not allowed or not applicable. This error can arise in various contexts within SAP, such as during data entry in transaction codes, configuration settings, or report generation.
  Causes:
  
  Incorrect Field Usage: The user is trying to enter a function or value in a field that does not accept it. This could be due to the field's data type or the context in which it is being used.
  Field Restrictions: Certain fields may have restrictions based on the configuration of the system or the specific transaction being used.
  User Authorization: The user may not have the necessary permissions to enter certain functions or values in the specified field.
  System Configuration: The system may be configured in such a way that certain functions are disabled or not applicable in the current context.
  
  Solutions:
  
  Check Field Requirements: Review the field requirements and ensure that the value or function you are trying to enter is appropriate for that field.
  Consult Documentation: Refer to SAP documentation or help files related to the specific transaction or module you are working with to understand the expected input for the field.
  User Authorization: Verify that you have the necessary authorizations to perform the action you are attempting. If not, contact your SAP administrator to request the appropriate permissions.
  Use Alternative Functions: If the function you are trying to use is not allowed, look for alternative functions or methods to achieve your goal within the system.
  Contact Support: If the issue persists and you cannot identify the cause, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  Related Information:
  
  Transaction Codes: The error may occur in various transaction codes, so knowing the specific transaction can help in troubleshooting.
  SAP Notes: Check SAP Notes for any known issues or patches related to the error message CH306.
  User Forums: SAP community forums and user groups can be valuable resources for finding solutions to common errors and sharing experiences with other users.
  
  By following these steps, you should be able to identify the cause of the CH306 error and take appropriate action to resolve it.