How To Fix M3318 - Number & not defined for material type &

M3318 - Overview

• Message type: E = Error

• Message class: M3 - Material Master

• Message number: 318

• Message text: Number & not defined for material type &

What causes this issue?

Every material type has a speific number range for external number
assignment. The material number you have entered does not lie within
the number range for this material type.

How to fix this error?

Choose a material number that lies within the number range of your
material type.

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

Error message extract from SAP system. Copyright SAP SE.

M3318 - Details

• The SAP error message M3318 ("Number & not defined for material type &") typically occurs when you are trying to create or manage a material in SAP, and the system cannot find a number range that corresponds to the specified material type. This can happen during various transactions, such as creating a new material master record.
  
  Cause:
  
  Missing Number Range: The number range for the specified material type has not been defined in the system.
  Number Range Not Assigned: The number range may exist but is not assigned to the material type you are trying to use.
  Number Range Status: The number range may be set to "not available" or may have reached its limit.
  
  
  Solution:
  To resolve the M3318 error, you can follow these steps:
  
  
  Check Number Range Configuration:
  
  Go to transaction code SNRO (Number Range Objects).
  Enter the object name for material numbers (usually MATERIAL or similar) and check the number range intervals defined for the material