How To Fix 29666 - Item category & is within your reserved customer name range (0-9, X-Z)

29666 - Overview

• Message type: E = Error

• Message class: 29 - Bills of Material

• Message number: 666

• Message text: Item category & is within your reserved customer name range (0-9, X-Z)

What causes this issue?

You tried to create a new entry and used a key which lies within your
reserved customer name range.

System Response

The system does not accept the key.

How to fix this error?

Enter an allowed key.
You can look at the reserved name range in table TRESC using
transaction SE16. Enter the following data for your search:
Object type: "TABU"
Table name: T418
SAP/Customer: "S" fnr SAP
In the <LS>Name range</> field, you see the alphanumeric start of the
range, in the <LS>Upper limit</> field, you see the end of the range.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 29666 - Item category & is within your reserved customer name range (0-9, X-Z) ?

  The SAP error message 29666 indicates that the item category you are trying to use is within a reserved range of customer names. Specifically, the error message states that the item category is within the reserved customer name range (0-9, X-Z). This typically means that the item category you are trying to use is not allowed for the transaction you are attempting to perform.
  
  Cause:
  
  Reserved Item Categories: In SAP, certain item categories are reserved for specific purposes or for system use. The ranges 0-9 and X-Z are often reserved for standard or system-defined item categories.
  
  Configuration Issues: The item category may not be properly configured in the system, or it may be incorrectly assigned to the document type or transaction you are working with.
  Transaction Type Restrictions: The transaction type you are using may have restrictions on which item categories can be used.
  
  
  Solution:
  
  
  Check Item Category Configuration:
  
  Go to the configuration settings for item categories