How To Fix GU787 - Entry & is not supported

SAP Error Message - Details

• Message type: E = Error

• Message class: GU - FI-SL utilities

• Message number: 787

• Message text: Entry & is not supported

What causes this issue?

'X' is the only valid entry.

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?

Please enter 'X'.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message GU787 - Entry & is not supported ?

  The SAP error message GU787 ("Entry & is not supported") typically occurs in the context of SAP's Goods Movement or Inventory Management processes. This error indicates that the system encountered an entry that it cannot process due to various reasons, such as incorrect data, unsupported document types, or issues with the configuration.
  Causes:
  
  Unsupported Document Type: The entry you are trying to process may belong to a document type that is not supported in the current context.
  Incorrect Data Entry: There may be an issue with the data you have entered, such as invalid material numbers, plant codes, or storage locations.
  Configuration Issues: The system configuration may not allow for the specific type of transaction you are attempting to perform.
  Missing Authorizations: The user may not have the necessary authorizations to perform the action related to the entry.
  System Bugs or Limitations: There may be bugs or limitations in the version of SAP you are using that prevent the processing of certain entries.
  
  Solutions:
  
  Check Document Type: Verify that the document type you are trying to use is supported for the transaction you are performing. Consult the SAP documentation or your system administrator for the correct document types.
  Validate Data: Ensure that all data entered is correct and valid. Check for typos or incorrect codes in material numbers, plants, and storage locations.
  Review Configuration: Work with your SAP Basis or configuration team to review the settings related to the transaction you are trying to perform. Ensure that all necessary configurations are in place.
  User Authorizations: Check if the user has the necessary authorizations to perform the action. If not, request the appropriate permissions from your SAP security team.
  Consult SAP Notes: Look for relevant SAP Notes or patches that may address this specific error. SAP frequently releases updates that fix known issues.
  Contact SAP Support: If the issue persists, consider reaching out to SAP support for further assistance, especially if you suspect a bug or limitation in the system.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with the relevant transaction codes (e.g., MIGO for Goods Movement) and their functionalities.
  SAP Documentation: Review the official SAP documentation for detailed information on the specific transaction and its requirements.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the GU787 error and implement a suitable solution.