How To Fix C1822 - Only one value allowed for "&"

SAP Error Message - Details

• Message type: E = Error

• Message class: C1 - Characteristics maintenance messages

• Message number: 822

• Message text: Only one value allowed for "&"

What causes this issue?

Only one value is allowed for characteristic '&V1&'. "Multiple values"
are not supported for characteristic '&V1&' in this situation.

System Response

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

How to fix this error?

Enter just one value for the characteristic.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message C1822 - Only one value allowed for "&" ?

  The SAP error message C1822, which states "Only one value allowed for '&'", typically occurs when a user attempts to input multiple values in a field that is designed to accept only a single value. This can happen in various contexts, such as when using selection screens, reports, or transaction codes where a specific field is restricted to a single entry.
  Cause:
  
  Field Configuration: The field in question is configured to accept only one value. This is often the case for fields that are meant to represent unique identifiers, such as a single customer ID, material number, or document number.
  User Input: The user may have inadvertently entered multiple values, such as by using a comma, semicolon, or other delimiters that suggest multiple entries.
  Selection Criteria: In some reports or transactions, the selection criteria may be set up in a way that does not allow for multiple selections.
  
  Solution:
  
  Check Input: Review the input in the field that triggered the error. Ensure that only a single value is entered. Remove any additional values or delimiters.
  Field Documentation: Refer to the documentation or help text associated with the field to understand its constraints and expected input format.
  Use of Wildcards: If applicable, consider using wildcards (like *) if the system allows for it, but be aware that this may not be suitable for all fields.
  Consult with SAP Support: If you believe the field should allow multiple values based on your business requirements, consult with your SAP administrator or support team to see if the field configuration can be modified.
  
  Related Information:
  
  Field Properties: Check the properties of the field in the data dictionary (SE11) to understand its configuration.
  Transaction Codes: Identify the specific transaction or report where the error occurs, as this may provide context for troubleshooting.
  SAP Notes: Search for relevant SAP Notes or documentation that may address this specific error message or provide additional guidance.
  User Training: Ensure that users are trained on the correct input methods for fields that have restrictions to minimize the occurrence of this error.
  
  By following these steps, you should be able to resolve the C1822 error and understand the constraints of the field in question.