How To Fix CC288 - Field & can only have values "X" or " "

SAP Error Message - Details

• Message type: E = Error

• Message class: CC - ECM: Messages

• Message number: 288

• Message text: Field & can only have values "X" or " "

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CC288 - Field & can only have values "X" or " " ?

  The SAP error message CC288 indicates that a specific field (denoted by "&") is expected to have only two possible values: "X" (which typically represents a checked or active state) or a blank space (" ") which represents an unchecked or inactive state. This error often occurs in the context of configuration or data entry in SAP, particularly in modules related to controlling (CO) or production planning (PP).
  Cause:
  
  Invalid Input: The field in question has been populated with a value that is neither "X" nor a blank space. This could happen due to user error during data entry or incorrect data being imported from another system.
  Configuration Issues: There may be a configuration issue in the system where the field is not set up correctly to accept the expected values.
  Custom Development: If there are custom programs or enhancements in place, they might be incorrectly populating this field with invalid values.
  
  Solution:
  
  Check Input Values: Review the input for the field in question. Ensure that it is set to either "X" or left blank. If you are entering data manually, double-check your entries.
  Review Configuration: If you have access to the configuration settings, check the settings for the field to ensure it is correctly defined to accept only the specified values.
  Debug Custom Code: If there are any custom programs or enhancements that interact with this field, review the code to ensure it is not inadvertently setting the field to an invalid value.
  Consult Documentation: Refer to SAP documentation or help resources for the specific module you are working with to understand the expected values for the field.
  Seek Help from SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support or your internal SAP team for assistance.
  
  Related Information:
  
  Transaction Codes: Depending on where the error occurs, you may be using transaction codes like CO01 (Create Production Order), CO02 (Change Production Order), or others related to controlling and production planning.
  Field Documentation: Look for field documentation in the SAP system (using F1 help) to understand the context and constraints of the field.
  User Exits and BAdIs: If there are user exits or Business Add-Ins (BAdIs) that might affect this field, review them to ensure they are not causing the issue.
  
  By following these steps, you should be able to identify and resolve the cause of the CC288 error in SAP.