How To Fix MILL_PC322 - Special character &1 not allowed

MILL_PC322 - Overview

• Message type: E = Error

• Message class: MILL_PC - Mill: Message Pool for Confirmations

• Message number: 322

• Message text: Special character &1 not allowed

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message MILL_PC322 - Special character &1 not allowed ?

  The SAP error message MILL_PC322, which states "Special character &1 not allowed," typically occurs when a user attempts to enter a value that contains special characters in a field that does not accept them. This can happen in various contexts within SAP, such as when entering data in material master records, production orders, or other transactional data.
  
  Cause:
  
  Invalid Input: The input value contains special characters (e.g., @, #, $, %, &, etc.) that are not permitted in the specific field.
  Field Configuration: The field may be configured to accept only alphanumeric characters or specific formats, and the input does not comply with these rules.
  Data Validation Rules: There may be validation rules set up in the system that restrict the use of special characters in certain fields.
  
  
  Solution:
  
  Check Input: Review the value you are trying to enter and remove any special characters. Ensure that the input consists only of valid characters as per the