How To Fix WXP820 - Unexpected return code &1 for FB MARA_SINGLE_READ

WXP820 - Overview

• Message type: E = Error

• Message class: WXP - Retail Planning

• Message number: 820

• Message text: Unexpected return code &1 for FB MARA_SINGLE_READ

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message WXP820 - Unexpected return code &1 for FB MARA_SINGLE_READ ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  WXP820 Unexpected return code &1 for FB MARA_SINGLE_READ
  
  
  Cause:
  This warning message typically occurs during the execution of a function module or BAdI related to the Web Dynpro or SAP GUI when reading material master data (MARA table). The function module MARA_SINGLE_READ is called to fetch material master data for a single material.
  
  The unexpected return code &1 indicates that the function module returned a return code that the calling program did not expect or handle properly.
  This can happen if the material number does not exist, the user does not have authorization to read the material, or there is a problem with the database access.
  It may also occur if the function module is called with incorrect parameters or if there is a mismatch in the expected data structure.
  
  
  Common Causes:
  
  Material does not exist: The material number passed to MARA_SINGLE_READ is invalid or not