How To Fix IS164 - Enter a material number

SAP Error Message - Details

• Message type: E = Error

• Message class: IS - Equipment management

• Message number: 164

• Message text: Enter a material number

What causes this issue?

You are trying to create a <GL:serial_number>serial number</>, but
have not entered a <GL:material>material</> for which you want to
create the serial number.

System Response

INCLUDE 'KEINE-FUNKTION' OBJECT DOKU ID TX LANGUAGE E

How to fix this error?

Enter the material for which the serial number is to be created.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

If you want to assign an external serial number, enter the number in
the field <LS>Serial number</>, otherwise the system will assign the
next free numerical serial number for the material.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message IS164 - Enter a material number ?

  The SAP error message IS164 "Enter a material number" typically occurs when a user attempts to perform an action that requires a material number, but the field is either empty or not properly filled. This error is common in various transactions related to inventory management, material master data, or procurement processes.
  Cause:
  
  Empty Field: The most straightforward cause is that the material number field is left blank.
  Incorrect Input: The user may have entered an invalid or incorrect material number format.
  Authorization Issues: In some cases, the user may not have the necessary authorizations to view or enter material numbers.
  System Configuration: There may be issues with the configuration of the material master or the specific transaction being used.
  
  Solution:
  
  Enter a Material Number: Ensure that you enter a valid material number in the required field. Check for typos or formatting issues.
  Use the Search Help: If you are unsure of the material number, use the search help (F4) to find the correct material number.
  Check Authorizations: If you suspect authorization issues, contact your SAP administrator to ensure you have the necessary permissions to access material data.
  Review Transaction Settings: If the error persists, review the transaction settings or consult with your SAP support team to ensure that the system is configured correctly for the task you are trying to perform.
  
  Related Information:
  
  Transaction Codes: This error can occur in various transaction codes such as MM01 (Create Material), MM02 (Change Material), or MIGO (Goods Movement).
  Material Master Data: Understanding how material master data is structured in SAP can help in troubleshooting issues related to material numbers.
  SAP Notes: Check SAP Notes for any known issues or patches related to the specific transaction or module you are working with.
  User Training: Ensure that users are trained on how to properly enter material numbers and understand the importance of this data in SAP processes.
  
  If the problem continues after trying the above solutions, it may be beneficial to consult with your SAP support team or refer to SAP documentation for further assistance.