How To Fix E9869 - Error calling customer subscreen: &1 &2 &3 &4

E9869 - Overview

• Message type: E = Error

• Message class: E9 - General IS-U Error Messages

• Message number: 869

• Message text: Error calling customer subscreen: &1 &2 &3 &4

What causes this issue?

After calling up an extension function module (customer function), it
was established that the function module has made inadmissible changes
to the data. Possible causes include:
the triggering of a non-defined exception
changes to key fields or time slots
In most cases, problems are due to a faulty implementation of the
customer function. A more precise description of the error follows,
although this is optional.
&V1& &V2& &V3& &V4&

System Response

The transaction is canceled with the run-time error as otherwise, data
consistency cannot be guaranteed.

How to fix this error?

First check the implementation of the customer extension. If an SAP
error exists, contact SAP Service in the usual way.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message E9869 - Error calling customer subscreen: &1 &2 &3 &4 ?

  The SAP error message E9869, which states "Error calling customer subscreen: &1 &2 &3 &4," typically indicates that there is an issue with a custom subscreen that is being called in the SAP application. This error can occur in various contexts, such as during the execution of a transaction or when trying to display a specific screen that includes custom enhancements or modifications.
  Causes:
  
  Custom Code Issues: The error may arise from custom ABAP code that is trying to call a subscreen that does not exist or is not properly defined.
  Missing or Inactive Enhancements: If the enhancement or modification that includes the subscreen is not active or has been deleted, this error can occur.
  Data Issues: There may be issues with the data being passed to the subscreen, such as missing required fields or incorrect data types.
  Authorization Issues: The user may not have the necessary authorizations to access the subscreen.
  Configuration Problems: Incorrect configuration