How To Fix AD858 - Field & (Value & = & not allowed)

SAP Error Message - Details

• Message type: E = Error

• Message class: AD - Data Dictionary application messages

• Message number: 858

• Message text: Field & (Value & = & not allowed)

What causes this issue?

The specified field contains an invalid 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?

Check the entries in the specified field. If the table is one that has
been generated automatically (for example, the pooled table of a
matchcode ID), check whether any errors occurred in the generation
process.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AD858 - Field & (Value & = & not allowed) ?

  The SAP error message AD858 ("Field & (Value & = & not allowed)") typically indicates that a certain field in your SAP system is being populated with a value that is not permitted according to the system's validation rules. This error often arises in the context of data entry or during the execution of a transaction where specific field values are restricted.
  Cause:
  
  
  Invalid Value: The value being entered in the specified field does not meet the criteria defined in the system. This could be due to:
  
  The value being outside an acceptable range.
  The value not being part of a predefined list of acceptable values (e.g., a dropdown list).
  The value being in an incorrect format (e.g., entering text in a numeric field).
  
  
  
  Field Configuration: The field may have specific configuration settings that restrict certain values based on business rules or logic defined in the system.
  
  
  Authorization Issues: Sometimes, the error can also be related to user authorization settings, where the user does not have permission to enter certain values.
  
  
  Solution:
  
  
  Check Field Value: Review the value you are trying to enter in the field. Ensure that it is valid and conforms to the expected format and range.
  
  
  Refer to Documentation: Consult the relevant SAP documentation or configuration settings for the specific field to understand what values are allowed.
  
  
  Field Configuration: If you have access, check the configuration of the field in the SAP system. This may involve looking at the data element or domain associated with the field to see if there are any restrictions.
  
  
  User Authorization: Ensure that you have the necessary authorizations to enter the value. If not, contact your SAP administrator to review your permissions.
  
  
  Consult with SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support or your internal SAP helpdesk for further assistance.
  
  
  Related Information:
  
  Transaction Codes: Depending on where the error occurs, you may want to check specific transaction codes related to the module you are working in (e.g., MM for Materials Management, SD for Sales and Distribution).
  SAP Notes: Search for SAP Notes related to error AD858 in the SAP Support Portal, as there may be specific patches or updates that address this issue.
  Debugging: If you have technical expertise, you can use the debugger to trace the program logic and see why the value is being rejected.
  
  By following these steps, you should be able to identify the cause of the error and take appropriate action to resolve it.