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

CH306 - Overview

• 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.

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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