How To Fix GU787 - Entry & is not supported

GU787 - Overview

• 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