How To Fix UPC226 - Only the value I is allowed in field SIGN, not &1

SAP Error Message - Details

• Message type: E = Error

• Message class: UPC - Planning: General Error Messages

• Message number: 226

• Message text: Only the value I is allowed in field SIGN, not &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message UPC226 - Only the value I is allowed in field SIGN, not &1 ?

  The SAP error message UPC226 indicates that there is an issue with the value being entered in the "SIGN" field of a particular transaction or program. The message states that only the value "I" (which stands for "Include") is allowed in this field, but the system has detected a different value (represented by &1).
  Cause:
  The error typically occurs when:
  
  A user is trying to enter a value in the SIGN field that is not valid. The SIGN field is usually used to specify whether the values being processed should be included or excluded from a selection.
  The system expects a specific value (in this case, "I") but receives a different value (like "E" for "Exclude" or any other invalid entry).
  
  Solution:
  To resolve this error, you can take the following steps:
  
  Check the Input: Ensure that you are entering "I" in the SIGN field. If you are using a selection screen or a report, make sure that the input is correct.
  Review Documentation: If you are unsure about the valid values for the SIGN field, refer to the documentation or help text associated with the transaction or program you are using.
  Debugging: If you are a developer or have access to debugging tools, you can check the code to see where the SIGN field is being set and ensure that it is being assigned the correct value.
  Consult with SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to your SAP support team or consulting SAP Notes for any known issues related to this error message.
  
  Related Information:
  
  Transaction Codes: The error may occur in various transactions, so knowing the specific transaction code can help in troubleshooting.
  SAP Notes: Check SAP Notes for any updates or patches that might address this issue.
  User Authorization: Ensure that the user has the necessary authorizations to perform the action that is causing the error.
  Field Documentation: Look into the field documentation in the SAP system to understand the expected values and their meanings.
  
  By following these steps, you should be able to identify and correct the issue causing the UPC226 error message in SAP.