How To Fix CNV_20700056 - Material number "space" exists in material master

CNV_20700056 - Overview

• Message type: E = Error

• Message class: CNV_20700 - Material number conversion

• Message number: 056

• Message text: Material number "space" exists in material master

What causes this issue?

Field MATNR contain space in Material master table MARA and MARA is
master table for Material number.

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?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

CNV_20700056 - Details

• The SAP error message CNV_20700056 indicates that there is an issue with a material number that consists solely of a space in the material master. This typically occurs during data migration or conversion processes, where the system encounters a material number that is not valid or is improperly formatted.
  
  Cause:
  
  Invalid Material Number: The material number is expected to be a valid alphanumeric string, but in this case, it is just a space.
  Data Migration Issues: During data migration, if the source data contains empty or improperly formatted material numbers, it can lead to this error.
  Data Entry Errors: Manual data entry errors may also result in the creation of material numbers that are just spaces.
  
  
  Solution:
  
  Identify the Source: Determine where the invalid material number is coming from. This could be from a legacy system or a data file being imported.
  Correct the Data: 
  If you have access to the source data, correct the material number